Tornadoes 101 | National Geographic
Tornadoes are some of the most destructive forces of nature. Learn how tornadoes form, how they are rated, and the country where the most intense...
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Thunderstorms 101 | National Geographic
At any moment, about 2,000 thunderstorms are occurring worldwide. Learn how thunderstorms form, what causes lightning and thunder, and how these violent phenomena help balance...
Causes and Effects of Climate Change | National Geographic
What causes climate change (also known as global warming)? And what are the effects of climate change? Learn the human impact and consequences of climate...