[HN Gopher] A New Carbon Capture Plant Will Pull 36,000 Tons of ...
       ___________________________________________________________________
        
       A New Carbon Capture Plant Will Pull 36,000 Tons of CO2 from the
       Air Each Year
        
       Author : cheinyeanlim
       Score  : 56 points
       Date   : 2022-06-29 21:51 UTC (1 hours ago)
        
 (HTM) web link (singularityhub.com)
 (TXT) w3m dump (singularityhub.com)
        
       | yread wrote:
       | 650M$ in funding and they will remove emissions from about 10 000
       | cars! You could just spend 32 500$ per each car to replace it
       | with an EV and the second 32 500 on renewable energy and storage.
       | We would need 100 000 of these plants to get back to equilibrium.
        
         | tito wrote:
         | $650M in funding and they are developing first of its kind
         | technology that will inspire better, more efficient systems and
         | planetary change.
         | 
         | I offer that anyone looking at a DAC machine today could see
         | the equivalent of the first transistor sitting on a bench in
         | Bell Labs [0]. Gooey, weird, and packed with potential.
         | 
         | [0]
         | https://www.computerhistory.org/collections/catalog/10261887...
        
         | missedthecue wrote:
         | Early lightbulbs had a lifespan of 14 hours and weren't much
         | brighter than a set of candles. I'm glad they didn't quit and
         | invest the money into candle factories!
         | 
         | The analogy isn't perfect, but the point is clear. Refining and
         | developing imperfect Co2 extraction technology today can pay
         | _massive_ dividends in the future.
        
           | tito wrote:
           | I like the analogy! I think it's clearer than the one about
           | transistors I offered above.
        
       | rob_c wrote:
       | Fantastic, how long until it scales up I wonder and can the tech
       | be adapted to other gases?
        
         | tito wrote:
         | Re: adapting to other gases, this is something I'm curious
         | about as well. As someone mentioned here, removing one ton of
         | carbon dioxide means cycling through many more times the amount
         | of air. At what point does removing other pollutants at the
         | same time become effective. Carbon dioxide is just the most
         | prevalent and a good place to start.
        
       | qeternity wrote:
       | As nice as DAC projects sound, I really cannot wrap my head
       | around them. 36kt is not much. We'd need around 1.5m of these
       | plants to reach carbon neutrality (without any other changes).
        
         | conductr wrote:
         | > Climeworks was launched by Jan Wurzbacher and Christoph
         | Gebald in 2009 out of ETH Zurich, the main technical university
         | in Switzerland. Since then, Wurzbacher told CNBC, DAC
         | technology has improved by leaps and bounds. "We started with
         | milligrams of carbon dioxide captured from the air," he said.
         | "Then we went from milligrams to grams, from grams to kilograms
         | to tons to 1,000 tons." That sort of leveling up over the
         | course of 13 years is no small feat.
         | 
         | > To meet its future goals, though, the company will have its
         | work cut out for it; they're aiming to remove millions of tons
         | of CO2 per year by 2030 and a billion per year by 2050.
         | 
         | It's a startup and growth is the name of the game
        
         | mattashii wrote:
         | Yes, but the point is that you need to start somewhere.
         | 
         | And 36kt CO2 captured /year means over 2 million euros in
         | tradable emissions each year, at current ETS prices of 60+
         | euros per metric ton CO2 emissions.
        
         | jeffbee wrote:
         | Sounds like a lot? How many oil wells do you think the world
         | has built? There are 2 million operating oil and gas wells in
         | the U.S. alone. Building carbon infrastructure at scale is
         | something humans are good at. We just need to reverse the sign.
        
           | tito wrote:
           | Yes, reverse the sign. Carbon emissions are not tracked in
           | our existing accounting systems. Integrating carbon tracking
           | and emissions into our society is inevitable, but it's only
           | going to get more expensive the longer we wait.
        
           | binarymax wrote:
           | Yeah but the oil wells were built as part of an energy
           | providing supply chain - it has actual use. This carbon is
           | going to be injected into the ground, so there's no economic
           | incentive to building and operating these plants. If the
           | subsidies are enough, and therefore the incentive great
           | enough, then they will be built - but the incentive for
           | reversing climate change has been a difficult area to break
           | through.
        
           | lovemenot wrote:
           | >> We just need to reverse the sign.
           | 
           | Economics looks a lot like entropy. We know of no way to do
           | economically valuable work by burying carbon.
        
             | jeffbee wrote:
             | The economic benefits of controlling the climate should be
             | fairly obvious. What you really meant is that we don't know
             | how to make carbon capture enrich the specific person of
             | Charles Koch, yet.
        
       | sylvinus wrote:
       | I'm surprised by all the negativity here. Usually HN commenters
       | are good at understanding exponential growth. Maybe it's easier
       | when talking about Active Users?
       | 
       | Climeworks (and others) are just a couple orders of magnitude
       | away from having real impact, with a clear roadmap lying ahead.
       | Let's support them, along with all other potential solutions?
       | We're going to need more than one.
        
         | gfaster wrote:
         | The pessimism here is because there is no real money to be made
         | in carbon capture without significant and expensive policy
         | change. Put simply, carbon capture is a public good, which will
         | require significant public expense even in the most optimistic
         | of cases. If we're willing to go that far, we're better off
         | just implementing a carbon tax or a cap-and-trade scheme for
         | emissions.
         | 
         | Our problem is that this is a technological solution for a
         | problem that needs a policy solution.
        
         | laweijfmvo wrote:
         | > The company broke ground on its Mammoth plant this week. With
         | a CO2 capture capacity of 36,000 tons per year, Mammoth will be
         | almost 10 times larger than Orca.
         | 
         | > While Orca has 8 collector containers each about the size and
         | shape of a standard shipping container, Mammoth will have 80.
         | 
         | This doesn't seems practical to scale. To capture 36,000,000
         | tons (1/1000 of the current global output) they'd need 80,000
         | shipping containers?
         | 
         | > Meanwhile, global emissions topped 36 billion tons last year.
         | 
         | > "We started with milligrams of carbon dioxide captured from
         | the air," he said. "Then we went from milligrams to grams, from
         | grams to kilograms to tons to 1,000 tons." That sort of
         | leveling up over the course of 13 years is no small feat.
         | 
         | If it took 13 years to reach the current scale, how many more
         | orders of magnitude are left to squeeze out?
        
         | tito wrote:
         | Carbon removal is a brand new industry that lacks decades of
         | industry and academic development, and potentially has few
         | viable business models without a price on carbon. That's equal
         | parts terrifying and exciting. We need a thousand shots on goal
         | for carbon removal solutions to succeed. For anyone who wants
         | to dig in to carbon removal, links in my bio.
         | 
         | I wrote an article specifically on this balance of
         | impossibility and necessity here:
         | https://tito.co/posts/necessary---impossible.html
        
       | datadata wrote:
       | > DAC's energy usage, particularly when it's considered in
       | conjunction with the (relatively minuscule) amount of CO2 it's
       | capturing, is its biggest drawback. Sourcing the energy from
       | renewable sources helps, but it's still not unlimited nor free.
       | 
       | What are the actual downsides of energy usage here given that the
       | enterprise is strongly carbon negative? Given that it is
       | consuming geothermal energy in Iceland, 1) wouldn't the energy
       | become waste heat in the environment regardless, 2) Is there a
       | consumer of the energy that would be "better"?
        
         | [deleted]
        
         | tito wrote:
         | (edit: oops was wrong here, updating my comment)
         | 
         | This is addressed in the article: "Or would the geothermally-
         | generated electricity go to better use powering electric cars?"
         | 
         | There's no such thing as waste heat really. In the short term
         | you can argue that limited units of energy are better used
         | towards carbon neutrality, things like powering electric cars.
         | Ultimately, we need removal tech, and we need to make it energy
         | efficient, fast. Putting money and energy into carbon removal
         | systems needs to be looked at as an investment for it to make
         | sense. Powering an electric car gets you to go a mile, powering
         | a DAC system lets you remove a little carbon and is an
         | investment in developing more efficient systems too.
        
         | icegreentea2 wrote:
         | On the scale that Climeworks is operating at? Probably not
         | really.
         | 
         | You can read that "downside" more generally as DAC (and carbon
         | sequestration in general) is expensive, and no one really knows
         | how efficiently we can do it, especially at the scales we'd
         | probably want.
         | 
         | It's also an expression that current low/no carbon energy
         | sources are globally sufficiently constrained that we're in no
         | real position for large scale (aka meaningful) DAC (and many
         | other forms of carbon sequestration - perhaps not all)
         | deployment.
         | 
         | Climeworks is clearly out to iterate and gain experience to be
         | well positioned for a presumed DAC (and sequestration) market
         | that may form as all of the easy to decarbonize sources and
         | processes are converted. We're... a ways off here.
        
       | Alupis wrote:
       | > The containers are blocks of fans and filters that suck in air
       | and extract its CO2, which Carbfix mixes with water and injects
       | underground, where a chemical reaction converts it to rock.
       | 
       | I'm really worried we have no idea what we're doing, and will
       | find out down the road things like this only made things worse,
       | or caused other unforeseen problems.
       | 
       | I do not subscribe to the philosophy that "doing something is
       | better than nothing", particularly when we likely don't fully
       | understand what it is we're doing or actually trying to achieve.
       | Doing the wrong thing can be, and often is, worse than doing
       | nothing.
       | 
       | > Orca can capture about 4,000 tons of carbon per year (for
       | scale, that's equal to the annual emissions of 790 cars).
       | 
       | That's some hand-wavy numbers there. 790 of what type of car?
       | 1970 muscle car without a catalytic converter and modern fuel
       | injection system? Or a 2022 Prius? One outputs a huge amount of
       | CO2 and other gases, and the other hardly any at all.
       | 
       | Car emissions are really good on average. As technology
       | progresses, it might be fathomable that 7,900 cars, or eventually
       | 79,000 cars produce the same amount of emissions as today. This
       | "metric" sounds impressive, but it's useless.
       | 
       | > DAC's energy usage, particularly when it's considered in
       | conjunction with the (relatively minuscule) amount of CO2 it's
       | capturing, is its biggest drawback. Sourcing the energy from
       | renewable sources helps, but it's still not unlimited nor free.
       | 
       | So why are we not just using the geothermal energy powering this
       | thing to charge electric vehicles or power homes?
       | 
       | > Meanwhile, global emissions topped 36 billion tons last year.
       | 36,000 tons (the quantity of CO2 that will be captured by the
       | Mammoth facility) is a negligible fraction of that total. Is it
       | even worth the energy usage, construction and maintenance costs,
       | and frankly, the effort? Or would the geothermally-generated
       | electricity go to better use powering electric cars?
       | 
       | Ah, they even mention this in the article. Of course the CEO hand
       | waves this away...
       | 
       | I'm not convinced this is the future - seems more like a get rich
       | quick scheme if anything. Sort of like those companies you can
       | pay to "offload" your emission burden and supposedly they plant
       | trees or something and you get to claim your carbon neutral.
       | Scams... all of them.
        
         | tito wrote:
         | I hear you! What do you propose is the future instead? Curious
         | to hear about what you're working on, we need people working
         | across all areas of planetary solutions.
        
         | datadata wrote:
         | > Car emissions are really good on average. As technology
         | progresses, it might be fathomable that 7,900 cars, or
         | eventually 79,000 cars produce the same amount of emissions as
         | today. This "metric" sounds impressive, but it's useless.
         | 
         | Thankfully that's why the article first gave the metric in tons
         | of carbon, which has no such ambiguity.
         | 
         | > So why are we not just using the geothermal energy powering
         | this thing to charge electric vehicles or power homes?
         | 
         | My understanding is that there is generally an over supply of
         | renewable energy in Iceland. Historically it attracted location
         | agnostic consumers like aluminum smelting and bitcoin mining as
         | consumers of this energy, because there wasn't any other demand
         | for the renewable energy in Iceland.
        
       | 6d6b73 wrote:
       | How many years before this plant becomes carbon neutral itself? I
       | can bet that this is another waste of money and natural resources
       | that will not help the environment.
        
         | pengaru wrote:
         | TFA makes it pretty clear that the energy source is geothermal.
        
           | thaumasiotes wrote:
           | > TFA makes it pretty clear that the energy source is
           | geothermal.
           | 
           | Is it more likely that when this plant switches on, other
           | people will just make do with that much less electricity, or
           | that when this plant switches on, electricity production will
           | go up?
        
         | cinntaile wrote:
         | It shouldn't take that long, probably not even a year. It's
         | basically 80 shipping containers filled with fans.
        
       | nharada wrote:
       | DAC is nowhere near the scale needed to make even a tiny dent in
       | our carbon emissions, and it's easy to be cynical looking at this
       | (this plant can capture about 2000 American's carbon emissions).
       | 
       | One thing I do like about this is that we get an actual,
       | concrete, and correct "cost of carbon" from it. Sure, there are
       | caveats (i.e. you can't just build 5MM of these in Iceland), but
       | having a real number that doesn't include hand-waving around
       | whether the Brazilian farmer would have cut down those trees or
       | not is a good thing for offsets, future planning, markets, etc.
        
         | tito wrote:
         | "Cost of carbon" -- yes, one scenario is that society dumps a
         | few billion dollars into carbon removal technologies only to
         | learn "oh shit this stuff is realllllllly expensive to pull out
         | later...let's decarbonize overnight". Pretty sure all of us air
         | miners would take that as a win.
         | 
         | edit: I've also seen a similar argument made for developing
         | geoengineering solutions. Being willing to dump chemicals into
         | the upper atmosphere to reflect sunlight makes a lot of people
         | think "oh shit they're really serious about this climate change
         | stuff arent' they", and then the outcome of "we should take
         | this more seriously".
        
         | brundolf wrote:
         | Does it also serve as a test-bed for improving the technology?
         | Like with fusion reactors that will never themselves be energy-
         | positive
        
           | kec wrote:
           | CO2 makes up roughly 0.04% of the atmosphere. Handwaving,
           | that means for every ton of carbon you remove you'd need to
           | process at least 250 tons of air. To capture humanities
           | current yearly output, you'd need to process over 7 Trillion
           | tons of air per year... the scales just don't make sense.
        
             | tito wrote:
             | Yes the scales are hard to fathom. And we've been doing
             | that for about 100 years. It's not pretty, but there's a
             | trillion tons of excess carbon dioxide in the atmosphere.
             | We need to stop emitting as fast as possible and remove the
             | rest. Every gallon of gasoline burned adds 20 pounds of
             | carbon dioxide to the atmosphere.
        
       | rootusrootus wrote:
       | I imagine we're going to need a number of different technologies
       | in order to make a real dent? What about biochar? That seems like
       | an obvious choice, too. Easy, can make syngas, makes its own
       | energy, enriches soil, etc. No panaceas, but we're going to need
       | a lot more than one magic bullet.
        
         | tito wrote:
         | Indeed, we need a thousand shots on goal for carbon removal
         | solutions. Anyone up for the task is welcome to come join our
         | community at AirMiners: http://airminers.org/
        
       | jseliger wrote:
       | Direct release from Climeworks:
       | https://climeworks.com/news/climeworks-announces-groundbreak...
        
       | dominic_cocch wrote:
       | "Orca can capture about 4,000 tons of carbon per year (for scale,
       | that's equal to the annual emissions of 790 cars).
       | 
       | Now Climeworks is building another facility that makes Orca seem
       | tiny by comparison. The company broke ground on its Mammoth plant
       | this week. With a CO2 capture capacity of 36,000 tons per year,
       | Mammoth will be almost 10 times larger than Orca."
       | 
       | A lot of negativity in this thread, oddly. This is a 10X
       | improvement over a previous version. Another magnitude or two and
       | this becomes incredible for the environment. Other solutions
       | should also happen, but a problem as big as climate change should
       | have many parallel solutions. We don't have time to put all our
       | eggs in one basket.
        
       | bamboozled wrote:
       | I've been sponsoring these guys for a while now. Saw it on my
       | credit card bill last night and wondered what they were up too!
        
       | gumby wrote:
       | I have no faith in machines that suck the atmosphere through a
       | straw. The thermodynamics and fluid dynamics just don't pencil
       | out. We need to remove something like 3.5 Tt of CO2, so 3.5 Kt is
       | nothing. Our only hope in this regard is solar/uv-powered
       | systems, mainly biological, for example algaes in pelagic waters
       | (that grow and then die and sink to the bottom of the ocean).
       | These systems aren't trivial to build either.
       | 
       | For other GHG and pollutants there are uv-powered systems like
       | TiO2, olivine etc, though there are also limits to how much they
       | can do.
       | 
       | Basically we have to "mash our hand on the keyboard", i.e. try to
       | do them all, but I can't see machines like these making any
       | meaningful contribution.
       | 
       | Note: I'm working on methane destruction straight in the
       | atmosphere, so I'm putting my money (and my time) where my
       | commenting is.
        
         | jay_kyburz wrote:
         | I agree that we need to do be exploring all options, but we
         | need to make sure not to destroy other parts of our environment
         | in the process.
         | 
         | Massive algal blooms in the ocean gives me nightmares.
        
           | 0des wrote:
           | algae blooms in my reef tank give me nightmares, thank you
           | for compounding that.
        
         | ParksNet wrote:
         | What's the cheapest Carbon Capture system we can imagine - $100
         | per tonne? Most are running at about $500/tonne right now.
         | 
         | At just $15/tonne of Carbon Tax, we halve CO2 output, mainly by
         | destroying the economics of coal:
         | 
         | https://www.pgpf.org/budget-basics/what-is-a-carbon-tax-how-...
         | 
         | All the effort and funding currently spent on carbon capture
         | should instead go towards lobbying for carbon taxes. The impact
         | will be significantly greater.
         | 
         | The best use of Carbon Capture technology would be in building
         | ventilation systems. If we can capture and exhaust CO2 from
         | inside air, we can reduce ventilation requirements, and
         | potentially reach lower-than-atmospheric CO2 levels (which
         | could have extraordinary benefits for cognition and sleep
         | quality).
        
           | toomuchtodo wrote:
           | > At just $15/tonne of Carbon Tax, we halve CO2 output,
           | mainly by destroying the economics of coal
           | 
           | Here is page 122 of NextEra's investor deck. They are closing
           | all coal plants by 2028 as they are no longer profitable to
           | run. Even without a carbon adder per MWh, coal is dead ("near
           | firm" solar and wind are renewables with battery backing to
           | make them dispatchable when called on by the grid operator).
           | Even existing combined cycle natural gas is under pressure!
           | 
           | https://cleantechnica.com/files/2022/06/lcoe-
           | small.jpg?mrf-s...
           | 
           | Japan is opting out of financing coal plants further in
           | Indonesia and Bangladesh, cancelling ~3GW worth of coal plant
           | projects.
           | 
           | https://news.mongabay.com/2022/06/planned-coal-plants-
           | fizzle...
           | 
           | So we're seeing some progress in avoiding electrical thermal
           | emissions, which is the cheapest emissions offset.
           | 
           | (Oahu, Hawaii's last coal fired plant turns down in September
           | after the Tesla Megapacks replacing their frequency response
           | capability are installed, another 200MW of coal taken
           | offline)
        
           | landemva wrote:
           | Rather than a broad tax that hurts the poor, maybe your
           | effort could go toward taxing specific indoor growers who
           | burn gas to generate CO2 to get more growth from their MJ
           | plants.
        
             | pessimizer wrote:
             | Or instead of going after pot growers, maybe your effort
             | could go towards making my neighbor stop BBQing every
             | weekend?
        
               | dijonman2 wrote:
               | Your neighbor has the right to BBQ, there's a point where
               | we need to live our lives and stop advocating for denial
               | of comfort.
        
             | Gigachad wrote:
             | Use the tax to offset the other taxes at lower income
             | levels. It should be profit neutral for the government.
        
             | NortySpock wrote:
             | It would be simpler to write broad legislation to (a) tax
             | all CO2 sources and then (b) give the tax revenue back to
             | the people, similar to the child tax credit.
             | 
             | Call it the "American Carbon Dividend" or the "Advancing
             | America Dividend".
        
           | henryfjordan wrote:
           | We need to reduce the amount of Carbon we take from the earth
           | and put into the atmosphere, yes.
           | 
           | We have already taken so much carbon out of the ground that
           | we need to put some back. Just slowing down, even to 0, will
           | not be enough. The climate has already changed and will
           | continue to change because we've already knocked it out of
           | whack.
           | 
           | We need to fund carbon capture at scale.
        
         | keithnz wrote:
         | so, in the article it says "they're aiming to remove millions
         | of tons of CO2 per year by 2030 and a billion per year by
         | 2050."
         | 
         | So, this is just a step on the path....but, those numbers do
         | seem pretty aspirational at this stage.
        
         | malthuswaswrong wrote:
         | Everything is going to be okay.
        
           | OtomotO wrote:
           | and in the case it doesn't: no worries, the end was always
           | the same, the heat death of the universe :)
           | 
           | so try your best and if it doesn't play out: memento mori!
        
           | [deleted]
        
           | Gigachad wrote:
           | Honestly I can't see how it will be. I think we will get
           | incredible technologies that cut resource usage. But we have
           | already done this several times now and every time we make
           | something more efficient we just consume more. We have made
           | car engines massively more efficient but the gains were
           | entirely lost to bigger cars and driving longer distances.
           | 
           | There are billions of people living almost primitive lives
           | just waiting to consume as much as we do driving everywhere
           | and buying new iphones every year. We are about to make
           | things cheaper and more efficient and give them access to
           | this consumption.
           | 
           | Despite all of this advancement, resource usage and emissions
           | has never once gone backwards or even slowed down its
           | increase.
        
           | FredPret wrote:
           | Malthus was wrong, hopefully Gretha as well
        
         | softcactus wrote:
         | Any tips for getting into the "climate industry"? What are the
         | most promising technologies that aren't just greenwashing?
        
           | tito wrote:
           | The book Project Drawdown is a good primer, with pictures!
           | [1]
           | 
           | After that, the My Climate Journey [2] and Work on Climate
           | [3] communities are excellent entry points.
           | 
           | Climate is a big buffet full of all sorts of cool problems to
           | help solve. I'm focused on carbon removal as an example, but
           | we need millions of people working across all aspects of the
           | planetary system.
           | 
           | [1] https://www.amazon.com/Drawdown-Comprehensive-Proposed-
           | Rever...
           | 
           | [2] https://www.mcjcollective.com
           | 
           | [3] https://workonclimate.org
        
         | tito wrote:
         | What's the methane destruction project you're working on? Enjoy
         | those 24x carbon credits, that's good stuff.
         | 
         | Regarding the main part of your comment, what is it you think
         | people should be working on instead?
        
         | asah wrote:
         | 35 Kt... per year... but yeah it's daunting and we need more
         | scale.
        
           | tito wrote:
           | Agreed. In case you or others you connect with are looking to
           | help create more scale for carbon removal solutions, here's
           | an online educational course I helped develop called
           | AirMiners Boot Up -- https://bootup.airminers.org/
        
           | Gigachad wrote:
           | Carbon capture feels a lot like having a public pool which
           | has raw sewerage pumping in to it and the proposals all focus
           | on installing more powerful filters which can clean up some
           | of the sewerage rather than focusing on stopping the sewerage
           | from dumping in to the pool which is a much cheaper and more
           | realistic solution.
        
         | jjtheblunt wrote:
         | How do you destroy methane straight in the atmosphere?
        
         | slowmovintarget wrote:
         | I'd worry they make things worse and suffocate plant life near
         | them.
        
       | theodric wrote:
       | 7.5 tons/household/year. This is good for 4800 households. Nice,
       | but nothing, ultimately.
        
         | jay_kyburz wrote:
         | Sounds pretty good to me, every 5k households just need to
         | build one of their own.
        
       | akomtu wrote:
       | Imo, the solution to co2 and plastic pollution won't be a piece
       | of high tech, it will be a form of fungi.
        
         | jay_kyburz wrote:
         | There will be no one solution. The population will shrink,
         | we'll switch to electric cars, we'll eat less beef, we'll
         | replant some forests, we'll capture some carbon from the air,
         | we'll grow some algae in tanks, we'll scoop up the plastic in
         | the sea and bury it.
         | 
         | Then hopefully, with a little wishful thinking, future
         | generations appreciate our environment a little more.
         | 
         | Hopefully nobody will go to war, or starve, or go bankrupt in
         | the process.
        
       | malthuswaswrong wrote:
       | There are already self replicating carbon drawing machines. They
       | are called trees.
        
         | roamerz wrote:
         | Those are not a viable solution as they don't give politicians
         | any power. Imagine what good it would bring to society if we
         | were able to have a grow / harvest cycle that would give us an
         | abundance of inexpensive lumber to build housing.
        
         | 542458 wrote:
         | Trees eventually rot or burn, which releases most of the carbon
         | again. Once a forest is mature carbon sequestration is minimal
         | to zero:
         | https://www.sciencedaily.com/releases/2021/03/210325150055.h...
        
         | adgjlsfhk1 wrote:
         | trees don't draw carbon in the long term. after a few hundred
         | years they decay. also the earth is already near maximum tree
         | capacity.
        
         | jvm___ wrote:
         | Can AI improve on evolution? Tree DNA and cells must be super
         | complicated, but they're evolved things so they must be
         | inefficient. Can we figure out how to do the same things they
         | do, just faster? Bamboo can grow inches per day, can we make a
         | petri dish that grows centimeters per day of carbon capture?
        
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