Lifestyle

The Social Cost of Carbon Doubles
November 22, 2017 09:29 AM - University of California – Davis

The “social cost of carbon” — an influential figure used by policymakers to weigh the value of efforts that reduce greenhouse gas emissions — is outdated and underestimated. Updated estimates focused on the agricultural sector alone more than double the social cost of carbon, according to analysis from the University of California, Davis, and Purdue University.

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Mathematics predicts a sixth mass extinction
September 20, 2017 02:44 PM - Massachusetts Institute of Technology

In the past 540 million years, the Earth has endured five mass extinction events, each involving processes that upended the normal cycling of carbon through the atmosphere and oceans. These globally fatal perturbations in carbon each unfolded over thousands to millions of years, and are coincident with the widespread extermination of marine species around the world. 

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» Read More from Ecosystems Topic

SPOTLIGHT

Want To Slow Global Warming? Researchers Look To Family Planning

Tori Whitley, NPR

We've all heard of ways to reduce our carbon footprint: biking to work, eating less meat, recycling.

But there's another way to help the climate. A recent study from Lund University in Sweden shows that the biggest way to reduce climate change is to have fewer children.

"I knew this was a sensitive topic to bring up," says study co-author Kimberly Nicholas on NPR's Morning Edition. "Certainly it's not my place as a scientist to dictate choices for other people. But I do think it is my place to do the analysis and report it fairly."

The study concludes that four high-impact ways to reduce CO2 gas emissions include having fewer children, living without a car, avoiding airplane travel and eating a vegetarian diet.

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