News tagged with atmospheric carbon dioxide

Could global warming's top culprit help crops?

Many scientists fear that global warming will hit staple food crops hard, with heat stress, extreme weather events and water shortages. On the other hand, higher levels of carbon dioxide—the main cause of ongoing warming—is ...

dateApr 18, 2016 in Environment
shares17 comments 64

Last light—sunset at the South Pole

In the Northern Hemisphere, the spring equinox promises warmer days and green plants. But for researchers at NOAA's South Pole Atmospheric Baseline Observatory, Sunday March 20 marks the start of the austral autumn, the last ...

dateMar 30, 2016 in Earth Sciences
shares65 comments 0

Protecting coral reefs with bubbles

Blowing tiny bubbles through seawater could help protect coral reefs and oyster farms from oceans turned increasingly acidic through human activities by stripping carbon dioxide (CO2) from coastal marine environments and ...

dateMar 23, 2016 in Environment
shares134 comments 0