Global warming around the world
The thematic maps above are projections from the IPCC
Some regions are likely to experience water shortages. Coupled with increasing demand, this is likely to result in large increases in the number of people at risk of water scarcity. It is likely to affect livelihoods, the report by the International Panel on Climate Change says.
Projected reductions in the area suitable for growing crops, and in the length of the growing season, are likely to produce an increased risk of hunger. In some countries, yields from rain-fed agriculture could be reduced by up to 50% by 2020.
Rising sea levels threaten large cities. Degradation of coral reefs and mangroves is likely, with impacts on local fisheries and tourism.
Rising temperatures, coupled with over-fishing, will decrease the supply of fish from large lakes, with important impacts on food supplies.
Glacier melting in the Himalayas is virtually certain to disrupt water supplies within the next 20 to 30 years. Floods and rock avalanches are virtually certain to increase. Heavily-populated coastal regions, including the deltas of rivers such as the Ganges and Mekong, are likely to be at risk of increased flooding.
Economic development is likely to be impacted by the combination of climatic change, urbanisation, and rapid economic and population growth.
Forecast changes in temperature and rainfall are likely to reduce crop yields overall, increasing the risk of hunger.
The presence of lethal diarrhoeal diseases associated with floods and droughts is expected to rise in East, South and Southeast Asia and rises in coastal water temperature could exacerbate cholera in South Asia.
AUSTRALIA AND NEW ZEALAND
Ongoing water shortages, notably in southern and eastern Australia, are likely to get worse by 2030.
Ecologically important regions such as the Great Barrier Reef and Kakadu National Park are likely to lose a significant part of their wildlife before then, by 2020.
Solving the Puzzle: Researching the Impacts of Climate Change Around the World - Earth, Sky, Sea, Ice, Land, Life, and People Research Highlights, NASA Antarctic Glacier Loss Study
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