Efforts to protect land and environmental resources, including fighting climate change, often end up displacing people who have lived in those places for generations.

There are ways to reduce emissions without sacrificing yield. A new study shows how, and looks at a technique billed as ‘climate-friendly’ that makes emissions worse.

Many Formula 1 innovations have made their way from the racetrack to regular roads. But technological improvements can only go so far toward limiting greenhouse gas emissions.

The answer has to do with the air we breathe and that bright white snowpack, as an atmospheric scientist in Colorado explains.

Solar cycles, sea ice and rising electricity use all play a role. So does an unhealthy surprise that has been quietly hiding a large amount of global warming – until now.