User talk:Shaheerulislam1

Impacts of Climate Change Higher sea levels:

Higher temperatures on the earth cause sea water to expand with heat and glaciers to melt, raising the sea level year after year. Some low lying countries and many small island states are very much at risk from these higher sea levels.

Water resources and natural disasters:

Global warming changes the balance of water supply and demand and could expand the worldwide gap in water availability. Some places will be frequently flooded while others will suffer from constant drought and water shortage. In areas that already have a water shortage problem, the situation will worsen; many other areas will face similar problems.

Agriculture:

Global warming will seriously affect agriculture as well. Higher temperatures, increased weeds and harmful insects will adversely affect some species of agricultural crops. It is also possible that global warming will lead to global food shortages.

Human health: Climatic change affects human health in many different ways. As well as direct impact from heat, warming increases the range of some disease carrying insects. More erratic precipitation will also make waterborne diseases more dangerous.

Animals and plants:

Global warming will cause animals and plants to shift their habitats to northern and mountainous areas. It is anticipated, however, that some will become extinct if they cannot migrate due to topographical obstacles. It is predicted, for example, that alpine flora growing near mountain summits will become extinct, and that many beech forests will disappear and be replaced by oak forests, which are widely distributed in warm regions. As a result, not only wild animals that live in or feed on these trees, but also fruit cultivation and forestry will be seriously affected.

Cities:

While winter heating energy consumption will be reduced due to global warming, it will also increase the need for summertime air conditioning. In urban areas water use and energy consumption for cooling will also largely increase. In low lying coastal cities infrastructure will also have to be adapted to rising sea levels.

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