A brief history of the Earth’s CO2

Posted on Thursday, October 19th, 2017 by

Climate change has been described as one of the biggest problems faced by humankind. Carbon dioxide is is the primary driver of global warming. Prof Joanna Haigh from Imperial College London explains why this gas has played a crucial role in shaping the Earth’s climate. Carbon dioxide (CO2) has been present in the atmosphere […]

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Regreening the planet could cut as much carbon as halting oil use – report

Posted on Wednesday, October 18th, 2017 by

 Planting trees is one of the best ways to harness the power of nature to cut carbon emissions, says study. Photograph: Ben Curtis/AP Planting forests and other activities that harness the power of nature could play a major role in limiting global warming under the 2015 Paris agreement, an international study showed on […]

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The first ‘negative emissions’ carbon-capture plant is up and running.

Posted on Thursday, October 12th, 2017 by

On Wednesday, Iceland flipped the switch on the first project that will remove more CO2 than it produces. The plant is operated by Climeworks, which also opened the first commercial carbon-capture plant in Switzerland earlier this year. Here’s how direct-air carbon capture works: Giant turbines pull in huge quantities of air, hoovering up molecules of carbon dioxide […]

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When Indigenous People Control Their Own Land, It Protects Us All From Carbon Emissions

Posted on Friday, October 6th, 2017 by

Tropical rainforests controlled by indigenous people currently store 25% of the world’s carbon emissions. At the same time, “controlled” is usually something of a misnomer. While indigenous communities claim ownership of up to 50% of the world’s land, they’ve only legally secured about 10% of it.  Many aren’t able to prove–with evidence accepted by courts–that the areas […]

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Key to speeding up carbon sequestration discovered

Posted on Wednesday, August 23rd, 2017 by

Scanning electron microscopy image of calcite. Credit: Adam Subhas/Caltech Scientists at Caltech and USC have discovered a way to speed up the slow part of the chemical reaction that ultimately helps the earth to safely lock away, or sequester, carbon dioxide into the ocean. Simply adding a common enzyme to the mix, the researchers […]

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Caltech scientists speed up carbon sequestration process by 500 times

Posted on Tuesday, August 22nd, 2017 by

Carbon sequestration, or removing carbon dioxide from the atmosphere and storing it long-term, could help us fight climate change. It’s a complex chemical reaction, but a team of six scientists led by the California Institute of Technology (Caltech) just made a breakthrough in speeding up a slow part of the reaction. They were inspired by oceans, which naturally absorb carbon dioxide. Study co-author […]

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Peatlands are 2nd only to oceans in the amount of carbon they store

Posted on Tuesday, August 22nd, 2017 by

Peatlands: Although they cover just 3% of earth’s land area, they are 2nd only to oceans in the amount of carbon they store. Peatlands, also known as bogs or mires, are neither solid ground nor water but something in between. Peat is a thick, mucky substance made up of dead and decomposing plant matter. […]

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Mammoth Steppe Ecosystem Restoration To Prevent Permafrost Carbon Emissions.

Posted on Monday, August 21st, 2017 by

Melting Arctic Permafrost represents fundamental threat to global climate. Restoring “Mammoth Steppe” could help. Arctic permafrost contains ~1600 gigatons of carbon, approximately twice as much as the earths atmosphere (Tarnocai et al 2009). Due to accelerated warming at high latitudes this permafrost is beginning to melt.  This will release large amounts of carbon into the […]

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How Algae Can Help Sweden Eliminate Carbon Emissions

Posted on Sunday, August 20th, 2017 by

Algae is often considered a nuisance, but for Sweden, the rapidly growing sea plant is now an asset. As the Scandinavian country works to cut all of its greenhouse gas emissions by 2045, it’s using algae to sop up the carbon emissions from cement. Cement production, it turns out, is a major source of carbon […]

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A climate change solution beneath our feet

Posted on Tuesday, May 23rd, 2017 by

When we think of climate change solutions, what typically comes to mind is the transportation we use, the lights in our home, the buildings we power and the food we eat. Rarely do we think about the ground beneath our feet. Kate Scow thinks a lot about the ground, or, more precisely, the soil. She’s […]

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