Sea urchins climb onto kelp when their densities are so high they remove all drift kelp and then actively forage on attached, living kelp. (Credit: Steve Lonhart / NOAA MBNMS) Tipping points are the ...
PART 1. THE ATMOSPHERIC CO2 RECORD -- The rise of trees and how they changed Paleozoic atmospheric CO2, climate, and geology / Robert A. Berner -- Atmospheric CO2 during the late Paleozoic and ...
Most people believe rainforests are the lungs of our planet, pumping out vast amounts of the oxygen we breathe. This compelling image has shaped environmental campaigns and political speeches for ...
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