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Solar panels and wind turbines increasingly dot the landscape, but the future of clean energy may well depend on how smoothly we burn hydrogen.

For decades, scientists knew there was a huge swath of undetected and unaccounted for per- and polyfluoroalkyl substances (PFAS) in the atmosphere, often referred to as PFAS dark matter, but no one knew how much was missing or how to measure them.

A new study finds that Canada could remove at least five times its annual carbon emissions with strategic planting of more than six million hectares of trees along the northern edge of the boreal forest.

In parts of the Arctic, polar bears are in decline as sea ice, which they depend on to hunt, disappears. That is not the case, however, on the Norwegian island of Svalbard, where bears have actually managed to grow more plump even as ice melts away.

Researchers at Concordia have developed a new method of measuring the amount of usable water stored in snowpacks.