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बेसिक इंग्लिश का दूसरा सत्र (कक्षा प्रारंभ : 22 अक्तूबर, शाम 3:30 से 5:30)
IPCC Panel Report Warns Wide-spread Floods, Extreme Heat Stress & Severe Storms
Mar 10, 2014

The heaviest rainfall in 200 years, floods and storms experienced in Britain this winter are a foretaste of what is certain to occur in a warming world. The head of the UN's climate science panel (IPCC-Intergovernmental Panel on Climate Change) Rajendra Pachauri says, "Each of the last three decades has been warmer than the last. Extreme events are on the increase. Even if what we have just had [this winter] was not caused by anthropogenic climate change, events of this nature are increasing both in intensity and frequency. Two types of extreme events are going to occur more frequently–extreme precipitation and heat-waves. It is important for societies to deal with climate change if we want to avoid the impacts."

The report indicates on major global assessment of the impact of climate change on the world's food supplies, human health, cities and rural areas. It warns crop yields falling 2% a decade even as the demand from rapidly growing population increases by 14% per decade. It also warns of extreme heat stress in cities, increased precipitation and widespread flooding.

The report has been prepared by the IPCC with the input of several thousand scientists, says, "Due to sea level rise throughout the century and beyond, coastal and low-lying areas will increasingly experience adverse impacts such as coastal erosion and flooding. Without adaptation, hundreds of millions of people will be affected by coastal flooding.”

“What it's doing is giving us a pattern of abnormality that's becoming the norm. These very strange extreme weather events are going to continue in their frequency and their severity. It's not that climate change is going to be here in the future, we are experiencing climate change. Climate change is now built into the system. We can say that there will be serious impacts on food production in every region of the world with climate change. The Mediterranean will have severe problems with water scarcity which will impact on food. Some parts of Africa could have declines of 50% (in crop yields) by 2020. We must keep in mind the fact that population is going up very rapidly.

“The world did not have much time. There is a very short window of opportunity to cut emissions enough to hold temperatures to an increase of 2o Celsius. Six years ago we said that emissions would have to peak by 2015 if we wanted to hold them to 2o Celsius. The cost rises the later you do it. Countries have to decide what would be the implications of inaction."

An another report suggests that even a 2o Celsius  rise in temperatures could lead to an extra three million malaria cases in children under 15 years of age per year. The disease, which infects more than 200 million people per year and kills around 600,000, is spread by mosquitoes and will start to affect higher elevations as temperatures rise.

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