Roy Spencer, PhD.
Most people aren’t aware that the atmospheric concentration would
have gone up twice as fast if not for the fact that nature loves the
stuff. No matter how fast we produce it with our cars and planes and
power plants, nature sucks up half of it, like a starving dog that has
just been fed dinner.
In fact, without CO2 life as we know it on Earth would not exist.
More CO2 has led to global greening.
Increased agricultural productivity. It probably has contributed to
recent warming, in my professional opinion, but that warming has been
relatively benign, with no observable increase in severe weather. "
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