Questions tagged [carbon-sequestration]

process of capture and storage of atmospheric carbon dioxide

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Is anyone developing direct carbon capture for home HVAC system based on natural gas?

I live in Minnesota and I am concerned about my carbon footprint. I know that heating and cooling are large contributors to emissions globally. This video from the excellent Youtube channel Technology ...
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Which CDR options, on balance, are the most feasible?

Reading the latest IPCC report, I came across an interesting overview of carbon dioxide removal (CDR) options (5SM-16 onwards). I've never heard of some of them: it includes biochar, ocean ...
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How is biochar production as a CDR method different from crop residue burning?

How is biochar production as a CDR method, which is good, different from crop residue burning, which is bad? Does it have something to do with oxygen availability?
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2 votes
2 answers
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Can we capture carbon from decomposing plants?

When plants grow they absorb carbon-dioxide from air by photosynthesis, but when they die and decompose, then eventually all the captured carbon dioxide in them returns back to the atmosphere. The ...
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What portion of the carbon credit market goes to reforestation/forest conservation projects?

In my understanding the supply side of the carbon credit market involves a wide range of different methods to sequester or otherwise prevent carbon from entering the atmosphere (renewable energy, fuel ...
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3 answers
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Would moving baby trees help with carbon sequestration?

There are areas in the country I live in where deforestation has been extreme. I'm thinking of going to transplant smaller trees from the neighboring forests. Does this make sense? Could I end up ...
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2 votes
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Do timber buildings remove carbon from the atmosphere in the long run?

One of the advantages of timber buildings is regularly said to be their ability to effectively remove carbon from the atmosphere, through long term carbon storage. Wouldn't this require the timber ...
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6 answers
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What can an individual do to meaningfully practice carbon capture?

There is a lot of information on the Internet about how an individual can lower or negate their carbon usage through various techniques and strategies but much less information on what a person can do ...
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19 votes
3 answers
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Why does the cost of planting trees vary so much across different websites?

I am actively looking to donate to organisations that plant trees and, as far as I know, there are several websites that allow you to do that. Some offer the possibility to follow the tree's life ...
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Hyper carbon accumulator(s) for backyards

I am curious, what people could do with a small piece of land like their home backyard (say originally it is a regular lawn smaller than 20m^2, in temperate continental climate (so pretty harsh)) to ...
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How much CO2 is currently captured in the EU per year with CCS technologies?

I wonder how much carbon dioxide is captured per annum in the EU at the moment. In this article (p. 5), one can read that the two largest CCS facilities in Europe currently capture around 1,55 Mt/y. ...
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Why don't we use cattle to re-store CO₂ in the soil?

In this old TED conf., Allan Savory, and in this rather newer other here, Joel Salatin are quite saying the same thing as a tentative to mitigate the effect of burning fossil fuels: We should use ...
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What is the minimum indoor CO2 concentration that is achievable using houseplants?

CO2 concentration is linked to health risks and even our ability to think well. Meanwhile, houseplants decrease CO2 concentration when they receive enough sunlight. However, both houseplant studies ...
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How can I separate carbon monoxide from wood gas?

I am thinking about using open source wiki designs from allpowerlabs to construct a wood gas generator. The motivation came from experiencing a 10 day power outage after super storm Sandy. The ...
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12 votes
4 answers
300 views

Is biochar actually a viable way of carbon sequestration?

Biochar is often heralded as a great combination of soil improvement and carbon sequestration. However, at least on the carbon sequestration front, it seems to be a mixed bag. Biofuelwatch cites a ...
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9 votes
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Quantity of new trees needed to compensate all human CO₂ pollution

That trees are the major tools to remove CO₂ from the air is clear, but how many new trees need to be planted to compensate all human CO₂ pollution (6 gigatons / year?)? We should work with standard ...
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7 votes
2 answers
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Would “Guerilla Gardening” help combat climate change and/or be feasible/legal?

I live in Washington, and travel around the Pacific Northwest often. It's a beautiful environment, full of huge plains of grass with (virtually) nothing in them. I was wondering if, in order to help ...
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How do trees absorb carbon dioxide? [closed]

How much of carbon dioxide is used in the first years of the tree, and how much in maturity? How much goes in the soil, and how much in the wood? What about the night? I live in northern Italy, and a ...
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Is grass efficient for carbon sequestration?

I wonder how much carbon dioxide does grass sequester, compared to trees. Moreover, is grass still efficient in absorbing pollution? It seems to me that grass would be more efficient in storing carbon ...
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9 votes
6 answers
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What is required to make air travel sustainable?

Is there a plausible scenario where humans can continue traveling in airplanes? I have heard that airplanes create a tremendous amount of greenhouse gas emissions, the global number of air miles ...
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6 votes
3 answers
247 views

tree for carbon sequestration in temperate climate

I want to plant some trees so that I end up having a negative carbon footprint. I'm looking for a tree that can be used for carbon sequestration, which is not very tempting for illegal deforesting. ...
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16 votes
3 answers
5k views

What's the fastest growing plant by carbon density?

What is the fastest growing plant by amount of carbon stored in the wood? Bamboo is one of the fastest growing woody plants (by height), but it is mostly hollow, and so I'm not sure that it stores ...
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What's the applicability of biochar?

Could the cost of biochar production ever be less than that of coal extraction? Is the thermal potential good enough? I have seen certain articles (sorry, no links) that point to its applicability ...
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12 votes
2 answers
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Where are commercial conditions for a CCS NG or coal plant most likely to emerge in the US?

The first (likely) commercial scale coal ccs plant is scheduled to begin operation at Boundary Dam in Canada by the end of the first quarter of 2014 (Estevan Mercury). A few key points about the ...
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15 votes
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What is BioChar and can I use it to improve my garden?

A 2010 NYT article using BioChar to sequester carbon and improve soil quality. What is BioChar? Is it possible to use it in a small scale to improve my garden? How do I figure out the best amount to ...
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