2014-09-03, 10:20
Extinctions during human era one thousand times more than before
The gravity of the world's current extinction rate becomes clearer upon knowing what it was before people came along. A new estimate finds that species die off as much as 1,000 times more frequently nowadays than they used to. That's 10 times worse than the old estimate of 100 times.
http://feeds.sciencedaily.com/~r/science...151125.htm
The gravity of the world's current extinction rate becomes clearer upon knowing what it was before people came along. A new estimate finds that species die off as much as 1,000 times more frequently nowadays than they used to. That's 10 times worse than the old estimate of 100 times.
http://feeds.sciencedaily.com/~r/science...151125.htm