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Airplane emissions: The Intergovernmental Panel on Climate Change reports that CO2 emitted by jets can survive in the atmosphere for upwards of 100 years, and that its combination with other gas and particulate emissions could have double or four times the warming effect as CO2 emissions alone.

EarthTalk: Airplane Emissions and Climate Change

EarthTalk® is a weekly environmental column made available to our readers from the editors of E/The Environmental Magazine Dear EarthTalk: Why is it that airplane exhaust is so much worse for the environment than engine emissions on the ground? — Winona Sharpe, New York, NY While air travel today accounts for just three percent of worldwide greenhouse gas emissions, the…

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Initial IPCC Predictions on Global Temperature Rise Remarkably Accurate

Researchers investigating the accuracy of UN IPCC scientists’ initial consensus prediction of mean global temperature 1990-2030 found it to be nearly right on the money as of 2010.

World Bank to “Turn Down the Heat” — 4º C Temperature Rise Projected

The World Bank will boost support for climate change mitigation, green growth and climate-smart development as a new report concludes we’re on track for a 4º C temp rise.

In a poll conducted by Yale University, four out of five Americans reported personally experiencing one or more types of extreme weather in 2011, while more than a third said they were personally harmed by one or more of these events. A large majority of Americans believe that global warming made several high profile extreme weather events worse

EarthTalk: Climate Change and Extreme Weather

EarthTalk® is a weekly environmental column made available to our readers from the editors of E/The Environmental Magazine Dear EarthTalk: What is the scientific consensus on all the extreme weather we’ve been having—from monster tornadoes to massive floods and wildfires? Is there a clear connection to climate change? And if so what are we doing to be prepared?   – Jason…

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Developing Countries’ Climate Change Adaptation Costs May Double $100 Billion per Year by 2050

Global climate is on track for changes including a greater than 2°C rise in average temperature, and that’s going to result in adaptation costs for developing countries well above the World Bank’s 2°C estimate of $70 billion by 2020 and as much as $100 billion per year by 2050, according to a report produced by ActionAid, Care, GermanWatch and WWF, which in a report introduced at the Bonn Climate Change Conference urge government leaders to adopt a set of policies to scale up and accelerate climate change adaptation and mitigation efforts.

UN, Indigenous Leaders Meet to Share Knowledge, Join in Climate Change Initiatives

Representatives from UN bodies have been meeting with indigenous community leaders, experts and climate scientists in a series of meeting during the last few years, the overarching aim of which is to ensure that indigenous peoples have a say in international climate negotiations and treaties, and that traditional knowledge is incorporated in a globally shared knowledge base of climate change mitigation and adaptation strategies, methods and tools.

Could the warnings be any clearer? Climate tipping points are upon us and adaptation as will as mitigation are key to grappling with global warming

Closing in on Climate Tipping Points: Irreversible Climate Change, Managing the Risk and Learning to Adapt

In the past days and weeks several scientific reports indicate that, even while advocating a 1.5 to 2 C degree rise in average global temperatures over the next century, we may now be at or even passed critical tipping points and heading into a world of irreversible global warming. Earlier this month the Organization for Economic Cooperation and Development (OECD) released…

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