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IPCC Climate Mitigation Report: “Business As Usual” Won’t Get It Done

World governments and global society need to take actions that realize cuts of 40%-70% in global greenhouse gas emissions by 2050 if global mean temperature ranges aren’t to be driven outside safe bounds and human-caused greenhouse gas emissions are not to drive climate change away from a state conducive to life as we know it, according to the third and final installment of the UN IPCC’s Fifth Climate Change Assessment Report.

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Latest IPCC Installment Highlights Climate Risks, Potential for Adaptation

The threats, risks and costs associated with a rapidly changing climate continue to mount, making the benefits and rewards to be gained by enacting global adaptation and mitigation policies and initiatives yet more valuable and urgent, according to the latest installment of the UN IPCC’s Fifth Assessment Report.

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2013′s Weather: Yet More Good Reasons To Curtail Greenhouse Gas Emissions

The sixth warmest year on record, 2013′s weather was wild, woolly, and very costly for people, economies, and ecosystems around the world, providing additional evidence of the inter-linkages between anthropogenic greenhouse gas emissions, a warming world and the increasing frequency and intensity of extreme weather events.

CSIRO measuring atmospheric carbon

Video Friday: Monitoring Atmospheric Carbon

Dr. Paul Fraser of the Australian Commonwealth Scientific and Industrial Research Organisation (CSIRO) explains how he and his team monitor atmospheric CO2 concentrations globally. Beginning in 1974, CSIRO was one of the first non-American organization to measure CO2 in the atmosphere. Dr. Fraser explains how scientists isolate isotopes in carbon to determine its source, whether from the natural biosphere or…

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Does the record-breaking cold weather in parts of North America mean the end of global warming? Unfortunately, no.

EarthTalk: Harsh Winters and Global Warming

EarthTalk® is a weekly environmental column made available to our readers from the editors of E/The Environmental Magazine Dear EarthTalk: Does the fact that we’ve had such a cold and snowy winter mean that global warming might not be such a big problem after all? – Lacey L., Lynchburg, VA It’s tempting to think that the cold air and snow…

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The jet stream powers weather, effects climate

Video Friday: Extreme Weather, the Jet Stream, and Global Warming

With the eastern half of the United States under a deep freeze and the phrase “polar vortex” making the rounds (and no, despite Rush Limbaugh’s breathless ranting, it isn’t a term just made up by evil climate scientists), we circle back around to the discussion of climate vs. weather  and get a grasp on how the jet stream works in this…

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2013 fourth warmest year on record. Nine of ten of the warmest years have happened during this century

NOAA: 2013 Fourth Hottest Year on Record

Global temperatures 2013 The latest State of the Climate report released by the National Oceanic and Atmospheric Administration (NOAA) indicates that the globally-averaged temperature for 2013 tied as the fourth warmest year since record-keeping began in 1880. The NOAA report also said 2013 ranks along with every previous year this century as among the 15 warmest years in the 134 year…

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