Take a trip to the depths of the world's biggest underwater sinkhole
Richard Branson and Fabien Cousteau will be at the bottom, waiting. Watching.
Tougher emissions rules helped cut US air pollution deaths in half
Reduced car emissions may have played a key role.
After Math: Hello Darkness, my old friend
Numbers, because how will you know how long you've had to put up with this?
NHTSA study forecasts dangerous rise in world temperatures by 2100
But it's being used to justify relaxing environmental standards.
How Dandelion is making geothermal heating affordable
The Alphabet spin-out is offering systems in New York with no upfront fee.
Porsche is the first German car maker to drop diesel
It's responding to public pressure over diesel scandals.
California plans to launch its own climate satellite
It doesn't want to risk the White House suppressing climate science.
CO2 emissions in 27 major cities have declined since 2012
A series of eco-friendly measures are responsible.
Lyft vows to make itself completely carbon neutral
It's promising 100 percent renewable energy, albeit through offsets.