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Scientists have revealed that
of the Amazon emit
carbon dioxide than they absorb. The rainforest is producing over a billion
of CO2 a year. It used to be a carbon "sink"
CO2 disappeared. It is becoming a
of carbon dioxide. Reasons for this
from sink to source are
and forest fires. Researchers predict the
will create CO2 at an accelerating
in the future. It was once called "the
of the world".
