Methane emissions spike: Is there one main culprit?

The level of methane in the atmosphere has risen dramatically in the last decade—and climate scientists are worried. Although there's still roughly 60 times less of it floating around than carbon dioxide, the gas heats ...

Researcher boosts vegetable oil production in plant leaves

Since antiquity, cultures around the world have been extracting vegetable oil from plants to use as food and fuel. Some vegetable oils have important health benefits, including lowering cholesterol levels and decreasing the ...

Oil spill threatens rare Bangladesh dolphin breeding zone

An oil spill on a river in southeast Bangladesh has threatened the breeding ground of the critically endangered Ganges dolphin, environmentalists said Sunday, describing it as a "major disaster" for the mammal.

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