Tag Archives: natural gas

Gas Leaks in Fracking Disputed in Study

Hydraulic fracking appears to cause smaller leaks of methane, a greenhouse gas, than the federal government estimates, according to a study released Monday. Visit site: Gas Leaks in Fracking Disputed in Study Related Articles Dot Earth Blog: Encouraging Results Seen in First Nationwide Look at Gas Leaks from Drilling Boom Unlocking the Potential of ‘Flammable Ice’ E.P.A. Is Expected to Set Limits on Greenhouse Gas Emissions by New Power Plants

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Gas Leaks in Fracking Disputed in Study

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E.P.A. Is Expected to Set Limits on Greenhouse Gas Emissions by New Power Plants

Experts predict separate caps for gas-fired and coal-burning plants, something the coal industry would be likely to challenge. See original article here: E.P.A. Is Expected to Set Limits on Greenhouse Gas Emissions by New Power Plants Related Articles Economic Scene: Counting the Cost of Fixing the Future U.S. Coal Companies Scale Back Export Goals Dot Earth Blog: From the Fire Hose: Warming Slowdown, Deep-Ocean Waves, Canadian Crude Inferno

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E.P.A. Is Expected to Set Limits on Greenhouse Gas Emissions by New Power Plants

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From the Fire Hose: Obama’s Bus Stop in Gas Country, Al Gore’s ‘Category 6,’ an Unplugging Climate Blogger

A roundup of developments on the fracking fight, Arctic ice, and the perils of climate overstatement. Continue reading:  From the Fire Hose: Obama’s Bus Stop in Gas Country, Al Gore’s ‘Category 6,’ an Unplugging Climate Blogger ; ;Related ArticlesCan Cities Adjust to a Retreating Coastline?Could Climate Campaigners’ Focus on Current Events be Counterproductive?A Closer Look at the Technical and Behavioral Barriers to Action on Global Warming ;

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From the Fire Hose: Obama’s Bus Stop in Gas Country, Al Gore’s ‘Category 6,’ an Unplugging Climate Blogger

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Dot Earth Blog: More Signs of ‘Peak Us’ in New Study of ‘Peak Oil Demand’

A new study foresees declining demand for oil both through thriftier use and new fuel options. Visit site: Dot Earth Blog: More Signs of ‘Peak Us’ in New Study of ‘Peak Oil Demand’ ; ;Related ArticlesMore Signs of ‘Peak Us’ in New Study of ‘Peak Oil Demand’Dot Earth Blog: The Long Chain of Responsibility Behind an Oily and Deadly Train WreckDot Earth Blog: Fiddling While the World Warms ;

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Dot Earth Blog: More Signs of ‘Peak Us’ in New Study of ‘Peak Oil Demand’

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In Gas-Drilling Fight, Opposites Attract, and Distract

Filmmakers with clashing views of fracking almost meet up at the Tribeca Film Festival. Jump to original:   In Gas-Drilling Fight, Opposites Attract, and Distract Related ArticlesStudy Charts 2,000 Years of Continental Climate ChangesAn Earth Day Thought: Litter MattersA Photographer’s Focus Shifts from Suffering to Serenity

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In Gas-Drilling Fight, Opposites Attract, and Distract

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Australia Urged to Formally Recognise Climate Change Refugee Status

Refugee Council says new category would protect those fleeing the effects of global warming and warns Australian government to prepare for thousands forced from low-lying Pacific islands. Building beach barriers on Kiribati. Global Environment Facility (GEF)/Flickr Australia, a close neighbour of small, low-lying South Pacific states at the frontline of climate change, should be the first country to formally recognise climate change refugees, the country’s main refugee advisory body has said. The Refugee Council of Australia has told the Australian government that it should create a new refugee category for those fleeing the effects of climate change so that they can be offered protection similar to those escaping war or persecution. The key legal document that defines refugees, the Convention Relating to the Status of Refugees, defines a refugee as a person who has a well-founded fear of persecution in their homeland because of their race, religion, nationality of membership of a particular group. To keep reading, click here. Read More:  Australia Urged to Formally Recognise Climate Change Refugee Status Related ArticlesScientists Map Swirling Ocean Eddies for Clues to Climate ChangeCHARTS: ‘Messy’ US Climate Policy is Kinda WorkingCHART: How Climate Change and Your Wine Habit Threaten Endangered Pandas

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Australia Urged to Formally Recognise Climate Change Refugee Status

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CHARTS: ‘Messy’ US Climate Policy is Kinda Working

Even without a plan, new data shows the country making some climate gains. marsi/Flickr A national climate change plan is nowhere in sight from Congress, and last week the Obama administration pushed back a deadline to crack down on power plant emissions. But despite those—and many other—familiar setbacks, a new report has found that the US is nonetheless inching ahead on climate action. Yesterday the Climate Policy Initiative released a sweeping overview of climate change policies across the globe. It paints a picture of the US that climate hawks might find distressingly, if familiarly, chaotic: A tangle of federal subsidies, differing state-level clean energy mandates, and a host of natural resources, from wind to coal to natural gas, scrambling for political favor. “What makes the US unique is that we have no overall climate strategy where all these policies fit,” said David Nelson, a CPI researcher and lead author of the report, which describes the thicket of state and federal climate policies as “messy but useful,” in that it lacks clarity and direction but can, with luck, produce results. The surprising thing, Nelson said, is that while the US’s approach to dealing with climate change lacks the focus of, say, the EU’s carbon trading market, it must be doing something right: Carbon dioxide emissions have fallen 13 percent in the last seven years, and yesterday the EPA announced that greenhouse gas emissions fell 1.6 percent from 2010 to 2011. New data released yesterday by the federal Energy Information Administration indicates that CO2 emissions could soon start climbing. But they are projected to rise much more slowly than in recent decades—and to stay below their 2007 peak—because of new policies that encourage increased vehicle efficiency, promote renewable energy, and clear the way for the extraction of more low-emissions natural gas through fracking: Tim McDonnell At the same time, state and federal policies boosting energy efficiency will continue to lower energy use, according to the EIA. Energy use is expected to fall off both per capita and, more impressively, per dollar of GDP. That’s a sign that energy efficiency won’t choke economic growth: Tim McDonnell Still, Nelson said, the US could see greater improvements if it adopted a national carbon pricing scheme like the ones recently proposed in Congress, and streamlined coordination between state and federal governments. By way of example, he pointed to a deforestation policy in Brazil (where protecting rainforests is a critical area of climate change mitigation) that stalled because local officials weren’t equipped to enforce it, then sprung into action once the federal government provided adequate resources. The problem for the US, Nelson said, is that without an overarching plan, the best that can be hoped for is that the country’s swirl of climate-policies happen to compliment each other more than they create contradiction or confusion. For now, he’s said, these projections suggest Americans are lucking out: “All the forces are beginning to line up.” Originally posted here: CHARTS: ‘Messy’ US Climate Policy is Kinda Working Related ArticlesAustralia Urged to Formally Recognise Climate Change Refugee StatusScientists Map Swirling Ocean Eddies for Clues to Climate ChangeHow Thatcher Made the Conservative Case for Climate Action

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CHARTS: ‘Messy’ US Climate Policy is Kinda Working

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Japan Just Opened Up a Whole New Source for Fossil Fuels

An artist’s rendering of methane hydrate’s small-scale structure, with a methane molecule in green and gold trapped within a blue and silver cage of water. Photo: Masakazu Matsumoto

Found deep underwater in coastal oceans worldwide, a slushy mix of natural gas and water ice is on path to becoming an energy source of future, reports the BBC. Japanese researchers announced that, for the first time, they have managed to successfully extract useful natural gas from the mix, known as a methane clathrate.

Previous work on methane clathrates found on land have been used to produce natural gas, but this is the first time that ocean floor deposits have been tapped. The stores of offshore methane clathrates around Japan, says the BBC, are estimated at around 1.1 trillion cubic metres of the mix, enough to supply “more than a decade of Japan’s gas consumption.” The United States Geological Survey, says The Washington Post, estimates that gas hydrates worldwide “could contain between 10,000 trillion cubic feet to more than 100,000 trillion cubic feet of natural gas.”

Some of that gas will never be accessible at reasonable prices. But if even a fraction of that total can be commercially extracted, that’s an enormous amount. To put this in context, U.S. shale reserves are estimated to contain 827 trillion cubic feet of natural gas.

Japan says that the technology to usefully produce natural gas from methane clathrates is still around five years off.

Burning natural gas emits less carbon dioxide than burning coal, and replacing coal or other fossil fuels with natural gas is often looked at as a a way to limit global warming. However, fossil fuels are still fossil fuels, and burning this new source of energy could do a wondrous amount of damage. The Washington Post:

The U.S. Geological Survey estimates that there’s more carbon trapped inside gas hydrates than is contained in all known reserves of fossil fuels.

…Bottom line: It could prove impossible to keep global warming below the goal of 2°C if a significant fraction of this natural gas gets burned.

The New York Times:

“Gas hydrates have always been seen as a potentially vast energy source, but the question was, how do we extract gas from under the ocean?” said Ryo Matsumoto, a professor in geology at Meiji University in Tokyo who has led research into Japan’s hydrate deposits. “Now we’ve cleared one big hurdle.”

The other big hurdle is deciding whether this is a path worth following.

More from Smithsonian.com:

A Massive Field Of Frozen Greenhouse Gas Is Thawing Out

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Japan Just Opened Up a Whole New Source for Fossil Fuels

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A Snapshot of Drilling on a Park’s Margins

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A Snapshot of Drilling on a Park’s Margins

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Fracking to Unfold Under a Historic Farm

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Fracking to Unfold Under a Historic Farm

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