Global warming

Global Warming

Global warming (pronunciation: /ˈɡloʊbəl ˈwɔːrmɪŋ/) is a long-term increase in the average temperature of the Earth's atmosphere, a change that is causing lasting changes to the climate.

Etymology

The term "global warming" was first used in a 1975 Science article by Wallace S. Broecker of Columbia's Lamont-Doherty Geological Observatory: "Climatic Change: Are We on the Brink of a Pronounced Global Warming?"

Definition

Global warming refers to the long-term warming of the planet, while climate change includes regional climate changes, which includes both warming and cooling.

Causes

The primary cause of global warming is human activity, most significantly the burning of fossil fuels to drive cars, generate electricity, and operate our homes and businesses.

Effects

Global warming is causing many changes to the planet, including sea level rise, more frequent and severe heat waves, increasing wildfire risks, and more. Many of these changes are already occurring.

Related Terms

• Climate change
• Greenhouse effect
• Carbon dioxide
• Fossil fuel
• Sea level rise

External links

• Medical encyclopedia article on Global warming
• Wikipedia's article - Global warming

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