CNN — Air pollution spiked to unhealthy levels around the world in 2021, according to a new report. The report by IQAir, a company that tracks...
CNN — 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...
CNN — As the US attempts to wean itself off its heavy reliance on fossil fuels and shift to cleaner energy sources, many experts are eyeing...
