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The cost of not using renewable energy

  David Roberts Energy, politics, and more   in Grist: A Beacon in the Smog   A clever new study [PDF] from the World Future Council attempts to do something I haven’t seen before: quantify the cost of not using renewables. The idea is pretty simple. When we use finite fossil fuels to generate energy, rather than the inexhaustible, renewable

 
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How Much Will Tar Sands Oil Add to Global Warming?

To constrain climate change, such unconventional oil use needs to be stopped, according to scientists By David Biello for Scientific American   TAR SANDS: At least 170 billion barrels of oil could be extracted from Alberta’s oil sands deposits with today’s technology.Image: © David Biello James Hansen has been publicly speaking about climate change since 1988. The NASA climatologist

 
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Tyee’s Climate Change Crash Course: Part 4

Published on January 28, 2013 by in Home

  By Eric Nadal TheTyee.ca   Why warming the atmosphere doesn’t just cause weather to get hotter.   Part 4: CO2 and Weather Climate, it’s said, is what you expect; weather is what you get. What that means, is that climate is the long-run probability of a particular kind of weather: gray and wet in November,

 
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Tyee’s Climate Change Crash Course: Part 4

Published on January 28, 2013 by in Home

  By Eric Nadal TheTyee.ca   Why warming the atmosphere doesn’t just cause weather to get hotter.     Part 4: CO2 and Weather Climate, it’s said, is what you expect; weather is what you get. What that means, is that climate is the long-run probability of a particular kind of weather: gray and wet in

 
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The Opposite of Mining: Tar Sands Steam Extraction Lessens Footprint, but Environmental Costs Remain

Published on January 5, 2013 by in Home

  Melting bitumen in place is less unsightly than mining tar sands, but increasing efficiency, lowering costs and–perhaps most importantly—minimizing greenhouse gas emissions remain challenges   David Biello Scientific American   CONKLIN, Alberta—The challenge of pulling oil from sand near here has typically required scraping away the boreal forest and underlying peat to expose the tar sand

 
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The Oceans Are Choking on CO2 and It’s Bad News for Us

Published on December 16, 2012 by in Home

  BY SAIKAT AboutMyPlanet.com The oceans are gradually getting asphyxiated. That’s what a new study that studied the rising levels of CO2 in our oceans claims. As the level of the greenhouse gases increase, it is also choking the breath of living organisms which makes up the marine ecosystem. In brief, the oceans are running out of

 
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Food security and climate change: on the potential to adapt global crop production by active selection to rising atmospheric carbon dioxide

Published on December 15, 2012 by in Home

  Lewis H. Ziska et al Proceedings of the Royal Society   Abstract: Agricultural production is under increasing pressure by global anthropogenic changes, including rising population, diversion of cereals to biofuels, increased protein demands and climatic extremes. Because of the immediate and dynamic nature of these changes, adaptation measures are urgently needed to ensure both the

 
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Supporting Climate-Friendly Food Production

Published on December 11, 2012 by in Home

  The global agricultural sector has the potential to reduce and remove up to 88 percent of the carbon dioxide that it currently emits.    Worldwatch Institute     This summer, record temperatures and limited rainfall parched vast areas of U.S. cropland, and with Earth’s surface air temperature projected to rise 0.69 degrees Celsius by 2030,

 
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Carbon Dioxide Will Persist in the Atmosphere Long After Current Decision Makers Have Left Their Roles

Published on December 6, 2012 by in Home

  On Ethical Grounds, Young People Should Have a Say   BY BETH SAWIN Climate Interactive    Even if today’s college students live to be 100 years old, more than half of the CO2 released into the atmosphere during the four years they are in college will still be present there at the end of their

 
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An open letter to governments and their negotiators

 the UN climate negotiations kick off in Doha, Qatar, people all over the world are watching as floods wash away their lives, fires consume their houses and droughts decimate food crops. Just this morning, UNEP released a report warning that melting permafrost could release massive amounts of methane–a powerful greenhouse gas–into the atmosphere, bringing the planet

 
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Rise of acid ocean eats away base of food chain

Published on November 25, 2012 by in Home

  Shells of tiny sea snails are being eroded as more carbon dioxide is dissolved into seawater   STEVE CONNOR The Independent     Rising amounts of carbon dioxide dissolving in the ocean is causing the acid corrosion of tiny sea creatures that form the base of the marine food chain, scientists have discovered. Ocean

 
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UNEP: 2020 climate change deal is too late for drastic carbon cuts

Published on November 25, 2012 by in Home

  By John Parnell RTCC     Efforts to reduce carbon emissions must be accelerated now and cannot wait for a global climate deal in 2020, the United Nations Environment Programme’s (UNEP) chief scientist has told RTCC. Speaking at the launch of UNEP’s Emissions Gap report, which assesses the scale of difference between current pledged reductions

 
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Greenhouse gas emissions hit record levels in 2011

Published on November 20, 2012 by in Home

  Carbon dioxide levels are now at 390.9 parts per million, well above what scientists consider the tipping point for the effects of climate change.   John Platt Mother Nature Network     The levels of carbon dioxide, methane and other greenhouse gases in the atmosphere reached record levels in 2011, according to a report issued today by the World

 
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So Far So Good for Germany’s Nuclear Phase-Out, Despite Dire Predictions

Clean Break: Chapter 4 in the story of Germany’s switch to renewables By Osha Gray Davidson Nov 16, 2012 Anti-nuclear protest in Freiburg, Germany, in March 2011. Credit: Till Westermayer, flickr. Bonn, Germany—On the afternoon of April 29, 1986, West Germany’s Interior Minister Friedrich Zimmermann walked out of a meeting with the Commission on Radiological

 
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November 14 News: Record Growth Of Global CO2 Emissions In 2011

Published on November 14, 2012 by in Home

  By Stephen Lacey ThinkProgress.org   Global carbon dioxide (CO2) emissions in 2011 rose 2.5 percent to 34 billion tonnes, a new record, Germany’s renewable energy institute said on Tuesday. The IWR, which advises German ministries, cited recovered industrial activity after the end of the global economic crisis of recent years. [Reuters] TV Media Excluding MSNBC

 
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