In 1850, only 8% of the people in California were women.
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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.
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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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Venice Island was built on a foundation of tree trunks. 1200 years later, those same trunks still support almost all of central Venice.
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In one day, a full grown redwood tree expels more than 2 tons of water through its leaves.
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The average ice berg weighs 20,000,000 tons!
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The Amazon rainforest produces more than 20% the world's oxygen supply.
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The Caspian Sea is also classed as the world's largest lake.
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