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European scientists were alarmed in 2008 when they discovered streams of methane bubbles erupting from the seafloor in Norway's high Arctic. This gas, which contributes to global warming, was apparently coming from methane ice on the seafloor. A follow-up study finds that methane bubble plumes at this location have probably been forming for a few thousand years, so they are not the result of human-induced climate change. But continued warming of ocean water can trigger more methane releases in the Arctic, with potentially serious consequences to the climate.

Michael Specter explores why some deny scientific evidence — such as the safety of vaccines and GMOs, or climate change. He says denying can provide a sense of control in an unsure world.

Jad Abumrad reports on a recent controversy at Columbia University's Journalism School that has sparked a larger debate over the future of the news business. The university's new president Lee Bollinger has questioned the hands-on emphasis of the school's curriculum, concerned that skills training may be denying students exposure to the theory-driven side of journalism. But faculty insist that they offer students a complete education, and argue that the climate in today's professional press make practical training a must.

The shortest day ever recorded was June 29, and it was shorter than a typical 24 hours by 1.59 milliseconds. Some scientists say its climate change, others say maybe it's because of earthquakes.

U.S. automakers say the types of vehicles that will get more miles per gallon of gas have features that consumers tend to shun, including four-cylinder engines and stick shifts. The Senate is set to debate new energy legislation, and a major issue is how much to raise fuel economy standards for cars and trucks in order to fight climate change.

Producers say poor crop yields in the face of climate change in West Africa — where 70% of the cocoa supply is grown — is to blame. Chocolate makers are raising prices; others are shrinking candies.

NPR's Mary Louise Kelly speaks with California's state director of crisis communications, Brian Ferguson, about the current state of storm preparation and management after historic rainfall.

Authorities have warned of more deluges and possible landslides between now and Tuesday. Heavy monsoon rains have lashed the country since June and killed more than 600.

A study points to a new concern about the effect that heat can have on young children.

No one across the U.S. is consistently tracking climate-fueled deaths. One medical examiner has a new protocol on heat-deaths.