Oil and gas prices, traditionally moving in tandem, have diverged significantly.
Even as the U.S. makes minor reductions in carbon-dioxide emissions domestically, we are mining and drilling for ever more coal and oil and gas.
Something very unusual has been taking place in the U.S. electricity sector over the past three years.
Congress has created 42 different tax incentives for energy. Baucus wants to sweep them all away and replace them with just two.
Obama's new adviser, John Podesta, will push the White House to act more forcefully on climate change. Here's what he was advocating back in 2010.
One new study suggests lower natural gas prices may be saving households up to $725 per year. Others find lower numbers. Here's why they differ.
It's time to talk about... "the materials basis of modern society."
In the U.S., one-fifth of the coal fleet is at risk of retiring. In the rest of the world, coal demand is soaring.
A new paper finds that Western counties that become too dependent on oil and gas development can end up worse off over the long run. Is that relevant today?
Scientists have long worried about abrupt shifts in climate that could trigger mass extinctions or a rapid rise in sea levels. A big new report looks at how likely this is.
A new study asks 90 different experts around the world for their projections on sea-level rise. The answers were surprising.
Oil prices have fallen slightly, but there are reasons to think the drop won't be huge — from skeptical members of Congress to the intricacies of sanctions.
At the Warsaw climate talks, rich and poor nations are arguing over who's responsible for climate change. Here's how to understand the dispute.
The world's developed countries have promised to raise $100 billion per year in climate-change aid to poor countries by 2020. That's looking increasingly unlikely.
The EPA will require gasoline refiners to use just 15.2 billion gallons of ethanol next year — 14% lower than the original target set by Congress.
The EPA is planning to regulate carbon emissions from existing power plants next year. One expert thinks the agency should get creative.
Brazil has managed to cut deforestation in half since 2000. But that's been offset by increasing forest loss in other countries.
Gasoline prices have sunk to their lowest level in nearly three years. Increased drilling in the Midwest is only part of the story.
Typhoon Haiyan was deadly for a whole host of reasons — and global warming was likely just one small factor.
A key practice to avoid soil erosion has been making surprising gains in the U.S. So why hasn't it caught on in the rest of the world?