Hurricane! A hurricane is a huge storm, that generally forms over warm ocean waters.. ..near the equator. The warm air above the ocean rises upward.. ..thus creating an area of low pressure, below!…
Hello Friends , In 479 BC, when Persian soldiers besieged the Greek city of Potidaea, the tide retreated much farther than usual, leaving a convenient invasion route. But this wasn't a stroke of…
This is a simple explanation of Climate Change, based on an article in the New York Times. The average temperature on the surface of the planet has already increased 1.7 degrees Fahrenheit since 188…
Hello Friends ......Our planet's diverse thriving ecosystems may seem like permanent fixtures, but they're actually vulnerable to collapse. Jungles can become deserts, and reefs can become li…
Never before in history, have there been so many people on Earth as right now. Our numbers have skyrocketed, from 1 billion in 1800, to 2.3 billion in 1940, 3.7 billion in 1970, and 7.4 billion in 20…
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