Tag Archives: carbon dioxide

Dot Earth Blog: Global Warming Basics from the U.S. and British Science Academies

More basics from the leading science academies on what we know and don’t know about greenhouse gases and global warming. Originally from:  Dot Earth Blog: Global Warming Basics from the U.S. and British Science Academies ; ;Related ArticlesStudy Links Temperature to a Peruvian Glacier’s Growth and RetreatDot Earth Blog: A Look at the ‘Shills,’ ‘Skeptics’ and ‘Hobbyists’ Lumped Together in Climate DenialismDot Earth Blog: A Leading Analyst of Global Food Solutions Gets a Deserved Honor ;

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Dot Earth Blog: Global Warming Basics from the U.S. and British Science Academies

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Fresh Views on Climate Scientists as Advocates

Two views of the role of scientists in clarifying climate change risks and pressing for solutions. Read this article:  Fresh Views on Climate Scientists as Advocates ; ;Related ArticlesIf Old Humans Grew Like Old Trees, Stand BackFlaws in Chemical Laws in the Context of the West Virginia SpillHudson River Club Forwards Chevron Grant to Group Fighting Oil’s Harms in Ecuador ;

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Fresh Views on Climate Scientists as Advocates

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Newly Discovered Greenhouse Gas ’7,000 Times More Powerful Than CO2′

Perfluorotributylamine is an unregulated, long-living industrial chemical that breaks all records for potential climate impacts. Corey’sWorld (MDCoreBear)/Flickr A new greenhouse gas that is 7,000 times more powerful than carbon dioxide at warming the Earth has been discovered by researchers in Toronto. The newly discovered gas, perfluorotributylamine (PFTBA), has been in use by the electrical industry since the mid-20th century. The chemical, that does not occur naturally, breaks all records for potential impacts on the climate, said the researchers at the University of Toronto’s department of chemistry. “We claim that PFTBA has the highest radiative efficiency of any molecule detected in the atmosphere to date,” said Angela Hong, one of the co-authors. The study, published in the journal Geophysical Research Letters, found PFTBA was 7,100 times more powerful at warming the Earth over a 100-year time span than CO2. To keep reading, click here. Originally from:  Newly Discovered Greenhouse Gas ’7,000 Times More Powerful Than CO2′ ; ;Related ArticlesWhy Congress Needs to Extend the Wind Energy Tax CreditUS Navy Predicts Summer Ice Free Arctic by 2016Scientists Re-Trace Steps of Great Antarctic Explorer Douglas Mawson ;

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Newly Discovered Greenhouse Gas ’7,000 Times More Powerful Than CO2′

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The EPA’s Bold New Agenda

The agency’s plans for 2014 involve a hard look at fracking and new curbs on carbon-belching power plants. porchlife/Flickr The Environmental Protection Agency has released its to-do list for 2014, in the form of its annual regulatory agenda. And it calls for tackling some controversial environmental questions that Congress has been unable to resolve, including how to limit carbon emissions from existing power plants and whether energy companies should be required to disclose the chemicals they inject into the ground during fracking. While the plan has some gaps—Bloomberg BNA has pointed out it’s noticeably silent on coal ash, a toxic coal-burning byproduct that has been responsible for several recent environmental disasters—it could have far-reaching environmental benefits. Below is a summary of the EPA’s biggest goals in the new year. Carbon caps for power plants Between now and September 2014 the EPA aims to finalize its rules for capping greenhouse gas emissions from existing natural gas and coal-fired plants, which together produce a whopping 40 percent of the United States’ carbon emissions and one-third of its heat-trapping gases. Controlling smokestacks emissions is critical to addressing climate change, but carbon legislation is a non-starter, even in the Democratically controlled Senate. The EPA rules are bound to be challenged in court and they’ll invariable fuel allegations that Obama—and his vulnerable Democratic allies on Capitol Hill—are waging a war on coal. But, presuming they survive, they could be historic. The new target date is more ambitious than the mid-2015 goal that President Obama previously proposed for finalizing EPA regulations for existing power plants. But EPA rules often get stuck in the regulatory pipeline. While the caps for existing plants have yet to take shape, the White House recently called for limiting new coal-fired plants to 1,100 pounds of carbon dioxide per megawatt hour—60 percent less than the average coal-powered plant releases—and gas-power plants to 1,000 pounds. Disclosure rules for fracking fluid Late next year, the EPA plans to weigh in on whether oil- and gas-drilling companies should be required to disclose which chemicals they inject into the ground during fracking. Environmentalists and public health watchdogs have long pressed fracking companies to reveal this information, saying otherwise there’s no way of judging the risk to groundwater. (The scene in HBO’s documentary Gasland in which a resident near a fracking site lights tap water on fire encapsulates their fears.) But companies usually resist, claiming their formulas are proprietary. So far, only a handful of states have passed laws forcing fracking disclosure. Industry groups have managed to hobble some of them, while also pushing their own legislation that would protect these chemicals as trade secrets. Congressional lawmakers, who have seen donations from oil and gas companies rise by 180 percent rise over the past nine years, don’t seem eager to act on the issue. The FRAC Act, a bill first introduced in 2009 that would force disclosure of fracking chemicals, is stalled in committee in both the House and the Senate. And thanks to the “Halliburton Loophole,” which was slipped into a 2005 energy bill at the behest of then Vice President Dick Cheney, the EPA is barred from monitoring the industry’s compliance with the Safe Drinking Water Act. EPA disclosure requirements could go a long way to bringing uniformity to patchwork state laws and allowing public health advocates to keep tabs on an opaque industry. Protecting small waterways Two US Supreme Court rulings from 2001 and 2006 have created enormous confusion over the EPA’s authority to regulate small water bodies under the Clean Water Act. As a result, under George W. Bush the agency dropped hundreds of enforcement cases involving streams and isolated wetlands that share flood plains with or flow into the nation’s major water sources. The new rules would clarify the EPA’s authority to protect these waterways, based on a September report showing that they are vitally interconnected with larger ones. (This, of course, is common knowledge among ecologists.) Environmentalists say the move is long overdue. “This really isn’t an expansion of EPA’s authority,” Bob Wendelgass, the CEO of Clean Water Action, said recently. “It’s really a restoration of EPA’s authority.” But Republican lawmakers are framing the potential rule as assailing the rights of private citizens who have waterways on their property, with Reps. Lamar Smith (R-Tex.) and Chris Stewart (R-Utah) calling it “a massive power grab.” See the original article here: The EPA’s Bold New Agenda ; ;Related ArticlesHow Do Meteorologists Fit into the 97% Global Warming Consensus?Why Climate Change Skeptics and Evolution Deniers Joined ForcesPolar Bear Numbers in Hudson Bay of Canada on Verge of Collapse ;

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The EPA’s Bold New Agenda

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10 Reasons to be Thankful for Forests

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10 Reasons to be Thankful for Forests

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Emissions of Methane in U.S. Exceed Estimates, Study Finds

A new analysis of man-made emissions of the greenhouse gas in the United States showed they were about 1.5 times higher than prevailing estimates. Taken from –  Emissions of Methane in U.S. Exceed Estimates, Study Finds ; ;Related ArticlesOp-Ed Contributor: Climate Crisis: Who Will Act?Dot Earth Blog: New Study Finds U.S. Has Greatly Underestimated Methane EmissionsNew Study Finds U.S. Has Greatly Underestimated Methane Emissions ;

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Emissions of Methane in U.S. Exceed Estimates, Study Finds

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Dot Earth Blog: Did 90 Companies ‘Cause the Climate Crisis of the 21st Century’?

Who’s most accountable for the vast emissions of greenhouse gases so far — the companies that extracted the fuels or the citizens using them? See original article: Dot Earth Blog: Did 90 Companies ‘Cause the Climate Crisis of the 21st Century’? ; ;Related ArticlesDid 90 Companies ‘Cause the Climate Crisis of the 21st Century’?U.S. and China Find Convergence on Climate IssueDeveloping Nations Stage Protest at Climate Talks ;

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Dot Earth Blog: Did 90 Companies ‘Cause the Climate Crisis of the 21st Century’?

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Did 90 Companies ‘Cause the Climate Crisis of the 21st Century’?

Who’s most accountable for the vast emissions of greenhouse gases so far — the companies that extracted the fuels or the citizens using them? Original source:  Did 90 Companies ‘Cause the Climate Crisis of the 21st Century’? ; ;Related ArticlesEconomic Scene: Unavoidable Answer for the Problem of Climate ChangeExamining ‘Media’s Global Warming Fail’On ‘Global Terror’ and the Fukushima Fuel Move ;

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Did 90 Companies ‘Cause the Climate Crisis of the 21st Century’?

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Challenges Await Plan to Reduce Emissions

A proposal from the Obama administration to limit carbon emissions might be curtailed in a legal quagmire if the required technology does not meet current standards. View original post here: Challenges Await Plan to Reduce Emissions ; ;Related ArticlesU.S. Revives Aid Program for Clean EnergyAdministration to Press Ahead With Carbon LimitsThe Texas Tribune: Texas, Where Oil Rules, Turns Its Eye to Energy Efficiency ;

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Challenges Await Plan to Reduce Emissions

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Can a Carbon Tax Work Without Hurting the Economy? Ask British Columbia

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Five years in, BC’s carbon tax has successfully reduced greenhouse gas emissions in a stable economy. Hobolens/Flickr Carbon emissions have an unavoidable cost. When we burn fossil fuels and release carbon dioxide into the atmosphere, it increases the greenhouse effect. The resulting climate change has costs, for example by causing more extreme weather. More frequent and intense heat waves and droughts can damage crops, causing food prices to rise, more intense floods can cause more property damage, etc. Lacking a price attached to carbon emissions in the marketplace, we’re effectively putting those costs on a credit card. We may not immediately see the costs, but they keep building up. In fact they’re building up with interest, because the costs of climate damage are higher than the costs of reducing greenhouse gas emissions. When we put a price on carbon in the marketplace, consumers can see the costs associated with greenhouse gas emissions and adjust their consumption in an informed manner without continuing to build up that climate credit card debt. To keep reading, click here.

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Can a Carbon Tax Work Without Hurting the Economy? Ask British Columbia

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Can a Carbon Tax Work Without Hurting the Economy? Ask British Columbia

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