China raises alarm over rising seas amid climate talks

A study by US-based research group Climate Central predicted that China would be hit hardest by rising sea levels if global temp
A study by US-based research group Climate Central predicted that China would be hit hardest by rising sea levels if global temperatures rose by four degrees Celsius

A new Chinese government report raises alarm over rising sea levels caused by climate change which could potentially threaten the country's developed eastern coast, according to state media and the New York Times.

The release of the official , now in its third edition, came shortly before the UN Conference of Parties (COP21) summit, which began on Monday with the aim of striking a global deal limiting dangerous .

China is the world's second biggest economy but also its largest polluter, estimated to have released between nine and 10 billion tonnes of carbon dioxide in 2013.

Beijing pledged last year to peak output by "around 2030"—suggesting at least another decade of growing emissions.

The government report said the sea levels off China's coast have risen 2.9 millimetres annually from 1980 to 2012, according to an article posted on a government-backed website, while glaciers shrank just over 10 percent since the 1970s.

Temperatures are rising at the rate of 1.5 degrees Celsius every 100 years and could jump a further 1.3 to 5.0 degrees Celsius by the end of the century, said the China Climate Change website, which operates under the state planner.

The New York Times said the report, which was compiled under the authority of the Ministry of Science and Technology, spells out "sombre scenarios" including threats to infrastructure from increased rainfall and melting permafrost, among the possible fallout from climate change.

"Climate change will make the urban conurbations along the coast the regions most affected by climate change nationwide," it cited the report as saying.

"Some cities may even face risks of massive disasters that are hard to forecast."

The report, called "The Third National Climate Change Assessment Report", cites projections that the sea off eastern China could rise between 40 to 60 centimetres by the end of the century compared to 20th century averages, the newspaper said.

A separate study by US-based research group Climate Central predicted that China would be the country hit hardest by rising sea levels if global temperatures rose by four degrees Celsius.

It estimated some 145 million people live in Chinese cities and coastal areas that would eventually become ocean were warming to be that high.


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© 2015 AFP

Citation: China raises alarm over rising seas amid climate talks (2015, November 30) retrieved 15 July 2020 from https://phys.org/news/2015-11-china-alarm-seas-climate.html
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