Parched grass and dry soil: Toronto, where did the rain go?
New tropics ozone hole is 7 times bigger than Antarctic hole, study says
Edward Burtynsky photographs the largest ways we impact the planet
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Bright green skies light up South Dakota amid severe thunderstorms
Newly-discovered water lily species is largest in the world
Temperatures reached a deadly 48.8 °C during the Hoover Dam construction
Power to the People: How Tlingit Nation harnesses hydropower, geothermal energy
Goats released in New York City park to eat invasive weeds
The new age of space exploration could damage the ozone layer
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