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Wednesday, July 11, 2018
Some scientists consider the Earth to have entered a new geological epoch, the Anthropocene; an age where human activity causes more changes to the Earth's ecosystems than natural forces.
So how are humans permanently changing the planet?
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Today's Random Fact:
China's ridiculously fast industrialization and population growth required massive amounts of water. As a result, 28,000 of the country's 50,000 rivers have dried up over the last 30 years.
There is a bubble of debris in Earth's orbit. The U.S. Space Surveillance Network and other organizations track roughly 750,000 pieces of "space junk" as they orbit the Earth, some moving as fast as 17,000 miles-per-hour.
Human activity and interference on the Earth's surface, from mining activities to shipwrecks, have led to the creation of over 200 new minerals. Simonkolleite, a glowing mineral first discovered in a mine in Arizona, was formed by the mixture of natural properties like water and mining artifacts.
Today, large fish species are one-fifth to one-half as big as they used to be. Why? Fishing has been removing large individuals from those species' gene pools for hundreds of years.