Polar vortex spiked US CO2 emissions in 2013. Climate Central

Warming Earth heading for hottest year on record. Associated Press

Amid California’s drought, a bruising battle for cheap water. Los Angeles Times

Despite slumping prices, no end in sight for US oil production boom. New York Times

Abundant natural gas won’t slow climate change, study says. Associated Press

Nuclear fusion energy in a decade? Lockheed Martin is betting on it. Washington Post