Leaders from around the world are in the French capital for the biggest-ever climate summit. The aim of the meeting is to reach a long-term deal on curbing global CO2 emissions before our weather and our lives become too hot to handle.
Climate change is a global threat. So where to get the best perspective on the problem? Space! Scientists are monitoring Earth with satellites and running experiments in zero gravity to help save our fragile planet.
Environmental Protection Agency head Scott Pruitt has announced a plan to scrap pollution-preventing standards set in 2012. At the same time, a review of California's vehicle emissions limits invites a legal battle.
New research suggests that unless we rapidly cut greenhouse gas emissions we will have to extract far more CO2 from the atmosphere than we are technically prepared for.
Soils are a double-edged climate sword. They are huge reservoirs of organic carbon and can act as a carbon sink. But they can also release CO2 into the atmosphere when used unsustainably.
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