The California Air Resources Board (CARB) has announced a new initiative to nudge major airlines to transition to sustainable ...

The Colorado River is in trouble. The 1,450-mile river sweeps across the Rocky Mountains into the Gulf of California, providing water to over 40 million people in seven states.

Over 15,000 delegates, including 10 heads of state, 100 environmental ministers, and over 1,000 accredited journalists, convened in Cali, Colombia for the ...