Atmospheric levels of CO2 are higher than have been documented in the past 500,000 years.
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Q26: Photolysis breaks down CFCs in the atmosphere.
Q27: There are no natural sources of atmospheric
Q28: CFC concentrations are being reduced 98% globally
Q29: Decaying plant matter removes carbon from the
Q30: Annual plant growth cycles can be observed
Q32: The Earth can take care of the
Q33: Climate models predict global warming will increase
Q34: Global precipitation has increased as temperatures increased
Q35: Global sea levels have increased 1-2 meters
Q36: Anthropogenic carbon dioxide is produced by vegetation.
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