carbon

Myrabella

Some environmental and public-health groups are applauding President Obama’s Clean Power Plan designed to cut carbon dioxide emissions from U-S power plants. But some Arizona politicians say it’ll have a negative economic impact on the state. Arizona Public Radio’s Ryan Heinsius reports.

Much of the carbon dioxide released into the atmosphere from human activities — like burning fossil fuel — is taken up as plant food. Northern Arizona University’s Debbie Huntzinger, a researcher of climate change models, says the land’s surface is currently storing more of the greenhouse gas than it’s giving off. 

Earth Notes: Earthworms and Climate Change

Apr 9, 2014
Jacob McDaniel

Earthworms are friends to gardeners, recycling plant debris into plant nutrients. But, do they contribute to the climate-change problem?

BigDogGraphics

Forests constitute an important part of the “Carbon World Bank.” The organic matter in their leaves, wood, roots and soil stores a great deal of carbon absorbed from the atmosphere.