New Elevation Measure Shows Climate Change Could Quickly Swamp the Mekong Delta

scientificamerican.com

The surprise revelation means 12 million Vietnamese may need to retreat

New Elevation Measure Shows Climate Change Could Quickly Swamp the Mekong Delta
Ground truthing shows the vast Mekong Delta averages only 0.8 meter above sea level instead of the 2.6 meters officially quoted. Credit: Linh Pham Getty Images

A stunning 12 million people could be displaced by flooding in Vietnam’s Mekong Delta within half a century, according to new research led by Philip Minderhoud, a geographer at Utrecht University in the Netherlands. Minderhoud and his colleagues arrived at that surprising conclusion after analyzing ground-based measurements of the Mekong’s topography that the Vietnamese government shielded from Western scientists  for years. The results, published today in Nature Communications, show the Mekong’s elevation over sea level averages just 0.8 meter, which is almost two meters lower than commonly quoted estimates based on freely available satellite data.
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WWF: UN climate negotiators need to roll up their sleeves to deliver a new global climate deal in Paris

Posted on 04 September 2015

WWF – (Bonn, Germany, 4 September, 2015) – Plans by governments to conclude a new global climate deal in December are under pressure as discussions in Bonn moved along at a snail’s pace, leaving critical issues still to be resolved.

There are just five negotiating days left before Heads of State and Government arrive in Paris to open COP21, the final meeting of the UN climate talks this year. The Paris agreement needs to limit harmful greenhouse gas emissions to keep global temperatures below 1.5 degrees Celsius.

Clearly, there is quite a bit of work still to do to get the fair, ambitious and transformational climate deal the world needs.

Tasneem Essop, WWF’s Head of Delegation to the UN climate negotiations says, “There is consensus that we really, really need to get cracking. Negotiators will have to come to the next session ready to roll up their sleeves and tackle the key issues. Tiếp tục đọc “WWF: UN climate negotiators need to roll up their sleeves to deliver a new global climate deal in Paris”