Decades of spy satellite images help track melting Himalayan glaciers
They can cover terrain and time ranges ordinary methods can't.
America's renewable energy capacity overtakes coal for the first time
Green gets ahead, albeit only slightly.
UK proposal would eliminate greenhouse gas emissions by 2050
Whether or not that's fast enough is another story.
NASA spacecraft will use fuel that's safer for humans
It's due to launch aboard a Falcon Heavy rocket.
Robert Downey Jr. wants to clean up Earth using nanotech
He's launching the Footprint Coalition to try and save the climate.
UN chief warns nuclear waste could be leaking into the Pacific
Cracks in a 40-year-old nuclear 'coffin' are raising concern.
UN study says humans are damaging nature at 'unprecedented' rate
The findings call for 'transformative change' to avoid dire consequences.
Evian's answer to wasteful plastic bottles is a smart water dispenser
Renew's shrinking jugs use far less plastic than a typical water bottle.
Amazon employees call for a company-wide climate change plan
This doesn't guarantee that Bezos and crew will listen.