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Megacities hit hard by surging sea levels even at 2C rise: study

2015-11-09 00:32:00| Climate Ark Climate Change & Global Warming Newsfeed

Agence France-Presse: Large swathes of Shanghai, Mumbai, New York and other cities will slip under the waves even if an upcoming climate summit limits global warming to two degrees Celsius, scientists reported Sunday. A 2 C (3.6 Fahrenheit) spike in Earth's temperature would submerge land currently occupied by 280 million people, while an increase of 4 C (7.2 F) -- humanity's current trajectory -- would cover areas lived on by more than 600 million, the study said. "Two degrees Celsius warming will pose a long-term,...

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Coastal Nations, Megacities Face 20 Feet of Sea Rise

2015-07-09 23:01:00| Climate Ark Climate Change & Global Warming Newsfeed

Climate Central: If, as suggested by a comprehensive new review in the journal Science, 2°C of global warming will lock in at least 20 feet (6 meters) of eventual sea level rise, what would 2°C of warming (3.6°F) mean for the future and heritage of global nations and cities? It would mean a world we don't recognize, one losing more than 444,000 square miles of land, where more than 375 million people live today. China, the world's largest emitter of greenhouse gases, is home to by far the largest share of those...

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6 Ways World's Mega-Cities Could Deal Explosive Growth

2014-11-19 07:27:00| Climate Ark Climate Change & Global Warming Newsfeed

Gizmodo: People are moving into cities at an astounding rate-so fast, not even the cities themselves will be able to keep up. A new show at the Museum of Modern Art opens this week to examine how that explosive growth will affect six cities globally: Hong Kong, Istanbul, Lagos, Mumbai, Rio de Janeiro, and New York City. Uneven Growth: Tactical Urbanisms for Expanding Megacities is more than an exhibition, it's the culmination of a 14-month initiative where designers and architects were tapped to create...

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How Megacities Have Taken Over the Planet

2014-10-07 19:48:00| Climate Ark Climate Change & Global Warming Newsfeed

EcoWatch: With more and more of the world`s population moving into urban centers, the number of such areas with more than 10 million people has exploded in the last quarter century. In 1990 there were only 10 of these "megacities," with about seven percent of the global population. Now there are 28, according to the UN report on World Urbanization. The total number of people living in megacities has grown from 153 million to 453 million during that period, says the UN report. About 12 percent of the world`s...

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Number of Megacities Has Nearly Tripled Since 1990, UN Report Says

2014-10-06 20:02:00| Climate Ark Climate Change & Global Warming Newsfeed

Yale Environment 360: Urban footprint of Tokyo The number of urban areas with more than 10 million inhabitants -- sometimes called "megacities" -- has nearly tripled in the last 24 years, jumping from 10 in 1990 to 28 in 2014, according to the latest UN report on world urbanization. The total number of people living in megacities has grown from 153 million to 453 million during that period, the report says, and such areas now account for 15 percent of global GDP. Many are located in Asia: Tokyo, Japan, now tops the list...

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