Global Warming

During the height of the Cold War, U.S. spy satellites collected secret images as they circled the Earth. Today, those images are helping scientists track the effects of climate change. A new analysis of declassified spy imagery, published yesterday in Scien…

Metal canisters filled with top-secret satellite photos plummeted from space and then parachuted over the Pacific Ocean during the '70s and '80s. A U.S. Air Force plane would swoop down on cue and snag the classified material, ferrying the images safely back …

The US military's carbon footprint is enormous and must be confronted in order to have a substantial effect on battling global warming. Research by social scientists from Durham University and Lancaster University shows the US military is one of the largest …

On Monday, Canadas Liberal Party voted en masse to declare a climate emergency in the House of Commons. Then on Tuesday, the Liberal Prime Minister Justin Trudeau approved the Trans Mountain Pipeline expansion that, when completed, will pump 590,000 barrels o…

The Obama plan, he said, prevented the construction of new plants and led to the closing of existing plants. The Trump rule, by contrast, is going to reduce emissions while not immediately putting an end to our industry, he said. Scientific and environmenta…

We live in increasingly polarized times. Times where your point of view defines more than your stance on a particular topic it defines who you are. Perhaps that's why people are so unlikely to change their minds on any given issue, even when there's overwhelm…

Image copyrightSteffen OlsenImage caption Climate scientist Steffen Olsen took this picture while travelling across melted sea ice in north-west Greenland With their sled in tow, a pack of dogs trudge towards a distant mountain range in north-west Greenlan…

This is easier said than done for some crops. Potatoes and some other crops, such as alfalfa, are tetraploids, carrying four copies of each chromosome. (Humans and most animals are diploid, with two chromosomes, one from each parent). A breeder might want to …

Fish and chips could be off the menu due to global warming, a study warns. Scientists say larger marine species including cod and haddock face being wiped out as rising temperatures reduce oxygen levels in the oceans. Analysis of crustaceans found in Antarc…

The melting Arctic is on dramatic display. At mid-June, Arctic sea ice is now at a record low for this time of year, and melted ice is especially notable both in and around Greenland home to the second largest ice sheet on the planet. Steffen Olsen, a climat…