Signs of Warming - Our Changing Planet

Signs of Warming

In the 1800s, the Swedish chemist Arrhenius first suggested that Earth was experiencing a "greenhouse effect." We compare the effect on Earth and its twin, the planet Venus. We also look at how burning fossil fuels is changing Earth's environment.

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The Enhanced Greenhouse Effect and Global Warming
Sources of Greenhouse Gases
Signs of Warming

External Links

EPA Climate Change Site
Svante Arrhenius
Biography of Svante Arrhenius