Report der Umweltorganisation Climate Central, 2.11.2015 (engl. Originalfassung)
»Carbon emissions causing 4 degrees Celsius of warming (7.2 degrees Fahrenheit) — a business-as-usual scenario — could lock in enough eventual sea level rise to submerge land currently home to 470 to 760 million people globally. Carbon cuts resulting in the proposed international target of 2 °C warming (3.6 °F) would reduce the rise locked in so that it would threaten areas now occupied by as few as 130 million people. This contrast is one expression of what is at stake in the December 2015 global climate talks in Paris.«
Relationship between carbon emissions, warming and sea level rise
»This report builds closely on a paper first published online in October 2015 in the Proceedings of the National Academy of Sciences of the United States of America by the same authors. That research used relationships between cumulative carbon emissions, warming, and the future global sea level rise they lock in to assess implications for the United States and its cities. What distinguishes the current report is its application of sea level projections to global elevation, tidal, population, and administrative boundary data, instead of U.S. data only.«
China has the most to lose or to gain
»Among all nations, this report finds that China has the most to lose from business as usual, with 145 million citizens today on implicated land. China also has the most to gain from limiting warming to 2 °C, which would cut the total to 64 million. Twelve other nations have more than 10 million people living on implicated land under 4 °C warming — India, Bangladesh, Viet Nam, Indonesia, Japan, the United States, Philippines, Egypt, Brazil, Thailand, Myanmar, and the Netherlands, in descending order of total threats. A carbon path that limits warming to 2 °C would reduce exposure by more than 10 million in each listed nation except the last two, and by half or more in all listed nations but Viet Nam (still achieving 44% reduction), Brazil (45%) and the Netherlands (13%). Global megacities with the top ten populations in the balance include Shanghai, Hong Kong, Calcutta, Mumbai, Dhaka, Jakarta, and Hanoi. 4 °C warming could lead to submergence of land inhabited by more than half the population of Shanghai, Mumbai and Hanoi, among these. [...] Carbon emissions this century can lock in these projected threats, but the associated sea level rise is expected to play out over a longer period, likely centuries.«
Den gesamten Bericht finden Sie hier.