The U.S. is planning to destroy six tons of confiscated ivory to deter poachers. Some economists worry it could have the exact opposite effect.
A new U.N. report finds a vast gulf between the world's stated ambitions to limit climate change and actual practice.
In recent years, Kentucky and West Virginia's coal industries have been facing a painful decline. Here are all the reasons why.
On Tuesday, Washington state residents will vote on whether to require genetically modified foods sold in stores to be labeled as such.
Even if humans stopped burning fossil fuels tomorrow, some climate impacts are inevitable.
Global emissions hit a record high in 2012. But the rate of growth appears to be slowing.
A new study finds the famous 2009 vehicle trade-in program created some jobs and cut carbon emissions — but at a remarkably high cost.
After widespread public protests, lawmakers are reconsidering earlier reforms to the nation's flood insurance program.
Geoengineering is a risky way to blunt the effects of climate change. But climate scientist David Keith says we still need to consider it seriously.
The United States and a few other countries are rebuilding their fisheries. The rest of the world... not so much.
Large pension funds are now pressing oil, gas, and coal companies to explain how the prospect of carbon regulations might hurt their business.
It's not just better technology. States also need to sort through some extremely tricky licensing and liability issues.
Since 2008, the world has committed $25 billion to carbon capture — with little to show for it so far.
U.S. carbon emissions from energy hit their lowest level since 1994 last year. But they're already starting to rise again.
A surge in cheap natural gas will kill off coal power. But it will also crowd out wind, solar, and nuclear too.
The EPA still has the authority to regulate greenhouse gases, but the Supreme Court will review a permitting program for large industrial facilities.
It's been 40 years since the first OPEC crisis crushed the U.S. economy. Here's a look at whether it could happen again.
The date-labeling system for food in the United States is a mess, a new report argues. Here's how it got that way.
Humanity can burn less than one-sixth of its known fossil-fuel reserves. That's one upshot of the big new IPCC report.
The IPCC is releasing a massive new report on global warming. But is there anything we didn't already know back in 1990?