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Global warming would also destroy crops and other infrastructure and lead to intensive migration to other countries. Some countries would be forced to construct adequate sea defenses in order to protect their land from flooding. This would cause a great deal of financial input for which many countries may not be able to contribute.

There have already been pictures and images of polar bears being caught on isolated ice caps because of increased melting around them. The number of polar bears could reduce to a small level or even become extent all together in the wild. Increasing sea levels and less arctic ice would help shipping routes but destroy some of the living areas for polar bears and seals. It is thought that some areas of land, specifically in the Pacific, could disappear all together as sea levels rise.

Another effect of global warming is that of increasing the effects of drought. Droughts, which are fairly common in some parts of Africa, would become more common and more prolonged. This could lead to increased hardship amongst communities and famines. Local farmland would be destroyed leading to increased unemployment and migration of the population. In fact millions of people from developing countries might need to move, which would put added pressure on neighboring land.

Other countries may feel the effect of increased migration and this could cause hardship if population levels rise in certain areas. The effects of drought would also be to disrupt food production throughout the world and destroy agricultural land forever. This could increase the cost of food staffs including crops leading to a breakdown in some economies.

As temperatures rise, drought is not the only hardship. Inhabitants could find the temperatures as such that they cannot withstand them and it is thought that a significant number of people could die as heat waves spread across countries, especially in summer months. Thirty thousand people died in extreme weather in 2003 and it is thought that this can easily be replicated.

Increasing heat and decreasing water levels can also lead to increased tropical storms, which can lead to not only death but also destruction of homes and communities. This could have a side effect of increasing insurance claims and therefore insurance policies. The overall effect could be that some people may not be insured at all in the future and therefore can lose everything.

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