To the list of benefits satellites offer us, we can now add "monitoring our disappearing water."
New bike lanes will keep cyclists safe from cars and pedestrians safe from cyclists.
We should be trying to get down to 350 ppm, if we want to avoid the worst of climate chaos, but instead the CO2 concentration keeps rising.
Watch the Human to Mars summit livestream this week, and see how NASA plans to get our asses to Mars.
The Obama administration's proposed rules for power plants could save nearly 5,000 lives a year in the U.S. alone.
Airport officials plan to cut emissions and plan for sea level rise. Good luck!
A look at megacity "metabolism" reveals how many resources these urban hubs devour and which ones could use a diet.
The Canadian Arctic is losing centuries-old, perfectly preserved Inuit villages as permafrost melts and coast erodes.
Gov. Jerry Brown declares his state will cut emissions 40 percent below 1990 levels by 2030. Even Europe can't beat that.