The East and West coast of the United States is loaded with trees, but if you take a good look at a recently developed NASA Earth Observatory map, you’ll see that we have a ton of catching up to do to be as green as we once were three decades ago. Modern U.S. green tree coverage definitely is less than ideal.
The NASA Earth Observatory recently generated a map that shows the density of above-ground vegetation throughout the United States. The information present on the NASA map comes from the Woods Hole Research Center and shows that so many trees – the very parts of nature that have been praised for reducing the need to rely on air conditioners during the summer, thus decreasing the use of fossil fuels and the production of pollution – have been eliminated.
Yes, plenty of trees still exist in areas such as the Cascade Range in western North America, but cities in the United States actually have lost ¼ of their trees over the past 30 years, according to Daily Mail. That means a whopping 634 million trees are necessary to offer the vegetative coverage required for the biggest metropolitan areas.
The project involving the creation of the map released by the NASA Earth Observatory used satellite sensors, radar and computer models. The map work also utilized information from the U.S. Geological Survey and the U.S. Forest Service. Four pixels on the technological 30-meter resolution NASA map essentially is equivalent to an acre of greenery.
“It is possibly the highest resolution and most detailed view of forest structure and carbon storage ever assembled for any country,” the NASA Earth Observatory said of the new map.
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