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  1. 4 hours ago · Researchers estimate that by 2050, it will cost between $230 and $540 to remove one ton of CO2 from the atmosphere. But Equatic offsets the cost of CDR by producing and selling green hydrogen. The ...

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  3. 20 hours ago · The researchers pumped landfill gas from pipes through cartridges filled with resin that captured the airborne PFAS. They freed the compounds from the cartridges with organic solvents and analyzed the extracts for 27 neutrally charged PFAS, including fluorotelomer alcohols. Surprisingly, some of the fluorotelomer alcohol levels were up to two ...

  4. 20 hours ago · Although carbon dioxide typically gets more attention for its role in climate change, scientists say methane traps about 87 times more heat on a 20-year timescale.

  5. 20 hours ago · Although carbon dioxide typically gets more attention for its role in climate change, scientists say methane traps about 87 times more heat on a 20-year timescale.

  6. 20 hours ago · This greenhouse effect is what keeps the Earth's climate habitable. Without it, the Earth's surface would be an average of about 60 °F cooler. Humans can enhance the greenhouse effect by making carbon dioxide, a GHG. Levels of GHGs have gone up and down over the Earth's history, but they have been fairly constant for the past few thousand years.

  7. 20 hours ago · Both produce carbon dioxide and water vapour , which are greenhouse gases. However, biofuels are claimed to have a ‘neutral carbon footprint’ because, theoretically, the plants grown to produce them absorb as much carbon dioxide from the atmosphere as is emitted when the fuels is burned. Easy to light. Safety issues. No ash or residue ...

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