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These were the best and worst places for air quality in 2021, new report shows
Air pollution spiked to unhealthy levels around the world in 2021, according to a new report.
CNN World·
Not only is Lake Powell's water level plummeting because of drought, its total capacity is shrinking, too
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.
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Big-box stores could help slash emissions and save millions by putting solar panels on roofs. Why aren't more of them doing it?
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.
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Donate now to a Top 10 CNN Hero
Anderson Cooper explains how you can easily donate to any of the 2021 Top 10 CNN Heroes.