U.K. Government Sued Over Air Pollution Levels

ClientEarth, which describes itself as a group of activist lawyers committed to a cleaner planet, is suing the U.K. government over what it calls a “national air pollution crisis.”

Airlines to Test Alternative Fuel

The technology already exists to transition the global aviation industry to alternative, low-carbon fuels. But manufacturers haven’t been able to produce the necessary quantities for widespread use.

Elon Musk Outlines His Plan to Colonize Mars

Elon Musk outlined his plan to colonize Mars before a highly receptive crowd at the International Astronomical Congress in Mexico this week. The cleantech visionary framed the future settlement as the only eventual choice for humans in a world facing major environmental threats.