The Debate on Climate Change

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The Debate on Climate Change by Mind Map: The Debate on Climate Change

1. most scientists believe and have proof that climate change exists but somehow this is still debated on and people still don't believe in it.

2. the global temperature has raised 1.7 degrees F, the carbon dioxide totals have raised 407.62 parts per million, and the sea level is rising 3.2 millimeters per year

3. The oceans have absorbed much of this increased heat, with the top 700 meters of ocean showing warming of 0.302 degrees Fahrenheit since 1969 making some parts of the oceans inhabitable.

4. The number of record high temperature events in the United States has been increasing, while the number of record low temperature events has been decreasing, since 1950. The U.S. has also witnessed increasing numbers of intense rainfall events.

5. The acidity of surface ocean waters has increased by about 30 percent. This increase is the result of humans emitting more carbon dioxide into the atmosphere and hence more being absorbed into the oceans. The amount of carbon dioxide absorbed by the upper layer of the oceans is increasing by about 2 billion tons per year.

6. In the 1860s, physicist John Tyndall recognized the Earth's natural greenhouse effect and suggested that slight changes in the atmospheric composition could bring about climatic variations. In 1896, a seminal paper by Swedish scientist Svante Arrhenius first predicted that changes in the levels of carbon dioxide in the atmosphere could substantially alter the surface temperature through the greenhouse effect.

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