Methane warms planet 20 times as much as similar CO2 volumes but lack of monitoring means scientists can’t be sure of sources.

A decades-old thought experiment reveals our inconsistent moral intuitions. What would you do?

Researchers find neonicotinoid insecticides harm ability of bees to vibrate flowers and shake out pollen to fertilise crops.

To comment on Donald Trump’s naming retired Marine Gen. John Kelly as his Department of Homeland Security secretary, NPR‘s Morning Edition (12/9/16) brought on George W. Bush’s Homeland Security chief, Michael Chertoff.