Scientists at Columbia University create a cheap, sustainable energy source from bacteria and evaporation.
By Mary Clare Jalonick, Associated Press
WASHINGTON — The nation's gasoline supply likely will have more ethanol in coming years — but not as much as was required by federal law.
In March, 47 percent of Spain's electricity came from renewable sources.
By Bradley Klapper, Associated Press and Matthew Lee, Associated Press
WASHINGTON — Snap back? Not so fast. The biggest enforcement provision in the preliminary nuclear agreement with Iran is turning into one of the mostly hotly contested elements. And the debate barely involves Iran.
By Daniel Costa-Roberts
Heavy rainfall in Costa Rica has caused a spike in hydroelectric production this year. Together with green energy from sources like geothermal, wind, solar and biomass, the power glut means the Central American country's energy utilities haven't needed to burn…
By Josh Lederman, Associated Press
WASHINGTON — President Barack Obama will order the federal government on Thursday to cut its emissions of greenhouse gases by 40 percent, as the U.S. seeks to spur other nations to get serious about climate change.
By Dina Cappiello, Associated Press
WASHINGTON — The Senate on Wednesday failed to override President Barack Obama's veto of a bill to construct the Keystone XL pipeline, the first of many confrontations between the Republican-controlled Congress and the White House this year over energy policy.
By PBS NewsHour
During this time of year, millions of people across the country struggle to pay their heating bills. But how widespread is the issue of fuel insecurity, and what assistance is available? Mark Wolfe, Executive Director of the National Energy Assistance…
By Stephen Fee and Mori Rothman
In Asheville, N.C., and other cities across the country, funding cuts for the federal government's Low Income Home Energy Assistance Program have meant that private nonprofits are left to fill in the gaps.
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