Hot House pp 95-125 | Cite as

The Human Impact

Global warming is a reality and its causes are now well known. Of the causes of climate change discussed in Chapter 4, only two can operate on time scales short enough to account for today’s rapid temperature rise: (1) increase of greenhouse gases and (2) increase in solar irradiance. Although large volcanic eruptions work on a very short time scale, they cool the climate, not warm it.


Global Warming Nitrous Oxide Methane Hydrate Solar Irradiance Sunspot Cycle 
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© Praxis Publishing, Ltd 2007

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