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1. Deforestation accounts for 20
percent of global carbon
emissions - the equivalent to the
total emissions of the US or
China

2. Today, we dumped 70 million tons of
global-warming pollution into
the atmosphere surrounding our
planet

3. Extremely hot days have
become 150 times more
common than they were just
30 years ago

4. The Earth’s average
temperature has increased
about 1.5°F in the past
hundred years.

5. The climate is warming about
10 times faster than the
average previous warming
times.

6. Carbon dioxide makes up 82
percent of U.S. greenhouse
emissions, or about four fifths

7. Global warming is the increase of
Earth's average surface
temperature due to greenhouse
gases that collect in the
atmosphere.

8. Since 1870, global sea levels
have risen by about 8 inches.

9. Starting in
1979, satellites started
measuring the temperature of
the Earth.

10. About 23 billion tons of carbon
dioxide and other greenhouse
gases are emitted into the
Earth's atmosphere each year

11. Proceed to
the next
section