News tagged with carbon dioxide

Thawing permafrost feeds climate change

Carbon, held in frozen permafrost soils for tens of thousands of years, is being released as Arctic regions of the Earth warm and is further fueling global climate change, according to a Florida State University researcher.

dateApr 23, 2015 in Earth Sciences
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Four million years at Africa's salad bar

As grasses grew more common in Africa, most major mammal groups tried grazing on them at times during the past 4 million years, but some of the animals went extinct or switched back to browsing on trees and shrubs, according ...

dateAug 03, 2015 in Ecology
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What is the habitable zone?

The weather in your hometown is downright uninhabitable. There's scorching heatwaves, annual tyhpoonic deluges, and snow deep enough to bury a corn silo.

dateJun 30, 2015 in Astronomy
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