America's healthcare system is a big source of the pollution that makes some patients sick.
Renewables energy is going to see a massive influx of investment by 2040: $7.8 trillion globally.
Korean researchers have a brilliant idea to put your poop to work.
It turns out that solar is not the death knell for utilities as we know them.
And that’s great news for the climate.
We’ve got the full-page ad to prove it.
The Biosphere 2 is a large-scale experiment to see if we can really recreate life on Earth — sustainably, of course.
The Bhopal disaster launched an international legal battle that still isn't resolved decades later.
Don’t let Hillary vs. Bernie distract you from the other Democrat vs. Democrat cage matches in play.