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Climate change to have devastating effect in Asia: Study

New Dehi, Jul 15, 2017 (PTI): Climate change would bring devastating consequences to countries in the Pacific and Asia, a new report has warned and said Southern India may witness a decline in rice yields by five per cent in 2030s.

Unabated climate change could severely affect the future growth of these countries, reverse current development gains, and degrade quality of life, the report by the Asian Development Bank (ADB) and the Potsdam Institute for Climate Impact Research (PIK) claimed.

According to the report, Asia has the highest number of people exposed to flooding from possible storm surge events, particularly in the People's Republic of China (PRC), India, Bangladesh, and Indonesia.

It said meanwhile, 130 million people in low-elevation coastal zones in Bangladesh, India, and Pakistan, are at risk of being displaced by the end of the century in worst-case scenarios.

"While rice yields could potentially increase in the northern states of India, rice yields may decline by 5 per cent in the 2030s, 14.5 per cent in the 2050s and 17 per cent in the 2080s in the southern states," it said.

The report, titled 'A region at risk: The human dimensions of climate change in Asia and the Pacific', also said different modeling approaches are relatively consistent in terms of projecting a yield reduction in wheat production of 8 per cent in India.

Flood exposure is apparently increasing in coastal cities due to growing populations and assets and subsidence, it said.

"Studying the 136 largest coastal cities, the authors estimate that the average global flood losses in 2005 were approximately $6 billion per year and will increase to $52 billion by 2050.

"Of the top 20 cities with the largest increase of annual losses between 2005 and 2050, 13 are located in Asia- Guangzhou (PRC), Mumbai, Kolkata, Shenzhen (PRC), Tianjin (PRC), Ho Chi Minh City (Viet Nam), Jakarta (Indonesia), Chennai, Surat, Zhanjiang (PRC), Bangkok (Thailand), Xiamen (PRC), and Nagoya (Japan)," it said.

The report said recent studies reveal that flood risk is projected to increase significantly in Southeast Asia and India under global warming.

"The global climate crisis is arguably the biggest challenge human civilisation faces in the 21st century, with the Asia and Pacific region at the heart of it all," said Bambang Susantono, ADB Vice-President for Knowledge Management and Sustainable Development. 

More information on the report: https://www.adb.org/publications/region-at-risk-climate-change


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