You have many effects of global warming and I will explain some of them. Actually, an increase of a few degrees won't simply make for pleasantly warmer temperatures around the globe. Even a modest rise of 1.1°-1.7°C could have dramatic effects. In the last 10,000 years, the Earth's average temperature hasn't varied by more than 1.0°. Temperatures only 5°-9°F cooler than those today prevailed at the end of the last Ice Age, in which the Northeast United States was covered by more than 3,000 feet of ice. Scientists expect that continued global warming on the order of 2.5° over the next 100 years, is likely to result in:
- A rise in sea level between 3.5 and 34.6 in. (9-88 cm), leading to more coastal erosion, flooding during storms, and permanent inundation.
- Severe stress on many forests, wetlands, alpine regions, and other natural ecosystems.
- Greater threats to human health as mosquitoes and other disease-carrying insects and rodents spread diseases over larger geographical regions.
- Disruption of agriculture in some parts of the world due to increased temperature, water stress, and sea-level rise in low-lying areas such as Bangladesh or the Mississippi River delta.
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