Actually,
The number of trees in America has been growing.
Since the 1940's.
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There are More Trees in America Than 100 Years Ago
http://www.wideopenspaces.com/trees-america-100-years-ago/
May 8, 2015
It's easy to be cynical about the state of the environment, especially when bombarded daily with stories about global warming, smog-filled cities, and forests leveled for the sake of profit. But it turns out that last one isn't a bad as you might think, at least here at home. Despite its rapid expansion, the United States has more trees standing than it did a century ago, according to the Food and Agriculture Organization (FAO).
The number of trees can be credited to a successful sustainable harvesting program, which has ensured that forest growth has exceeded the number of trees that have been cut down since the 1940s. America currently has the fourth largest collection of forests in the world, comprising eight percent of the world's forests, or about 300 million hectares. Only the Russian Federation, Brazil, and Canada have more forest.
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(This article does continue. Zim.)
And :
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How Many Trees In The U.S.?
http://greenblizzard.com/2015/09/28/how-many-trees-in-the-u-s/
The U.S. has 319 million people as of 2014, but only 228 billion trees. That’s 716 trees per person – one of the lowest. Brazil has 301 billion trees (1,494 per person), Canada has 318 billion (8,953 per person), and China has only 139 billion (102 trees per person).
Among highly populous countries, India (population, 1.267 billion) has a tree population of only 35 billion, a meager 28 trees per person.
The nation with the single largest number of trees was Russia, with 641 billion citizens (or political prisoners!), and 4,461 trees per person and is helped by the vastness of Siberia’s boreal forests.
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Hmmmm.
Looks like China and India both need to plant more trees.
Zim.
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