There
are times when we simply have to open our brains and learn new science
about the critical things that affect our life on Earth.
In the early 20th century, we had to learn about electromagnetism, relativity, and quantum physics.
Today
we have to learn about carbon, the carbon cycle, and the atmosphere -
and then act on what we have learnt. If we succeed, we live. If we
fail, we die.
So let's learn.
Living
on Earth, we are protected from the dire cold of outer space by the
atmosphere, which traps just the right amount of heat for
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