Author: CNN.com - RSS Channel - World

Air pollution spiked to unhealthy levels around the world in 2021, according to a new report.

Lake Powell, the second-largest human-made reservoir in the US, has lost nearly 7% of its potential storage capacity since 1963, when Glen Canyon Dam was built, a new report shows.

As the US attempts to wean itself off its heavy reliance on fossil fuels and shift to cleaner energy sources, many experts are eyeing a promising solution: your neighborhood big-box stores and shopping malls.

Anderson Cooper explains how you can easily donate to any of the 2021 Top 10 CNN Heroes.