Forest growth in the US has exceeded harvest since the 1940’s. Today, we have more trees than any time in the past 100 years.
14
More than a dozen men have stood on the surface of the moon, but only three have been to Challenger Deep in the Marianas Trench, the deepest known spot in the ocean.
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If Manhattan had the same population density as Alaska, there would only be 15 people living there.
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The Sahara desert expands at about 1km per month.
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More than 25% of the world's forests are in Siberia.
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The Niagara Falls moves upstream at an average rate of about 295ft a century!
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There are approximately three chickens for every human on Earth.
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