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Although its definition may vary slightly from source to source, global warming refers to an increase in global temperature with time.
== Results ==
Global warming contributes to numerous environmental effects.
1. By the atmosphere warming, it is able to contain more water vapor. The condensation of water vapor into droplets releases latent heat and that latent heat drives the storms of the Earth. The more water vapor, the more heat available to cause storms of greater and greater intensity.
2. By water warming, the ice sheets melt. This has numerous effects. The habitat of polar dwellers is lost, and those species suffer potentially extinction-mode losses. The base of the oceanic food chain, the tiny shrimp known as krill, live under the ice sheets. Their demise leads to a demise of all fish and invertebrate sea dwellers that rely on them for food. Raising of sea level leads to flooding of coastal areas. With those areas being the habitat of most of the world's human population, dire commercial results will occur. Recently, the entire population of a Pacific island had to be relocated as their island was being flooded.
3. By land temperatures increasing, destabilization of crops and forestry occur. Conifers at low elevations cannot survive. Fertile croplands no longer can sustain their plantings, leading to potentially catastrophic decline in human food supplies.
This short list only indicates the disaster that is man-induced global warming.
== Definitions of Global warming on the Web: ==
== Definitions of Global warming on the Web: ==