Category: Global Warming

Methane in the gas system is a problem or not? Replacing of coal with natural gas has really climate benefits? Recent studies help us to form new way to thinking about climate change and GHG effect.

Watts Up With That?

There’s a lot of hullabaloo recently about Natural Gas being too leaky to be a good substitute for coal. The claim is based on the fact that methane has a much larger GHG potential than carbon dioxide. But, the study those claims are based on can be interpreted two ways. I tend to think that the leak issue might be overblown, because if you are a producer, leaks mean money literally going into thin air. There’s a high incentive to fix leaks. Abandoned oil and gas wells, cited in the study, would of course be an exception.

The other reason is the IPCC, which produced this graph in the AR5 draft showing that methane just isn’t cooperating with models, and measurements are out of bounds with projections. Methane just doesn’t seem to be much of a problem:

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A very interesting article on a anomalous levels of molecular chlorine in the atmosphere in Alaska.
Take a look !!!

Watts Up With That?

From the Georgia Institute of Technology

Scientists studying the atmosphere above Barrow, Alaska, have discovered unprecedented levels of molecular chlorine in the air, a new study reports.

Molecular chlorine, from sea salt released by melting sea ice, reacts with sunlight to produce chlorine atoms. These chlorine atoms are highly reactive and can oxidize many constituents of the atmosphere including methane and elemental mercury, as well activate bromine chemistry, which is an even stronger oxidant of elemental mercury. Oxidized mercury is more reactive and can be deposited to the Arctic ecosystem.

The study is the first time that molecular chlorine has been measured in the Arctic, and the first time that scientists have documented such high levels of molecular chlorine in the atmosphere.

“No one expected there to be this level of chlorine in Barrow or in polar regions,” said Greg Huey, a professor in the School of Earth and Atmospheric…

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Watts Up With That?

This year, October 22/23, they are bringing in a comedian (no relation):

Carbon pollution is not only disrupting our lives, it’s hitting our wallets. Comedian and musician Reggie Watts shows how, laying out the billion-dollar connection between fossil-fuel energy and dirty weather events like Superstorm Sandy caused by carbon pollution.

I guess he didn’t read the recent IPCC AR5 report that showed no connections of climate change/global warming with severe weather. In a year when we’ve had the least  number of wildfires in 30 years and well below the decadal average, plus a near record low in tornadoes, and a hurricane season that has gone bust,Gore is pushing a dead issue. See why on the WUWT Extreme Weather page

So as this screencap from his latest propaganda video shows, setting fire to orchids seems to be the way Gore is fawning for attention getting the message across…

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Kerry Emanuel, Department of Earth, Atmospheric and Planetary Sciences, MIT, gives the

talk entitled, “Hurricanes and Storms in a Warmer World” at the Fourth Annual YCEI

An interesting interview taken from the convention of the Società Italiana per le scienze del clima  named

“Global change and its implication on the system services and society”

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Watts Up With That?

Guest essay by Marlo Lewis

Okay, they don’t do so in as many words. But in addition to being more confident than ever (despite a 16-year pause in warming and the growing mismatch between model projections and observations) that man-made climate change is real, they are also more confident nothing really bad is going to happen during the 21st Century.

The scariest parts of the “planetary emergency” narrative popularized by Al Gore and other pundits are Atlantic Ocean circulation shutdown (implausibly plunging Europe into a mini-ice age), ice sheet disintegration raising sea levels 20 feet, and runaway warming from melting frozen methane deposits.

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The Working Group I contribution to the IPCC’s Fifth Assessment Report (AR5) considers new

evidence of climate change based on many independent scientific analyses from observations of

the climate system, paleoclimate archives, theoretical studies of climate processes and simulations

using climate models. It builds upon the Working Group I contribution to the IPCC’s Fourth

Assessment Report (AR4), and incorporates subsequent new findings of research. As a

component of the fifth assessment cycle, the IPCC Special Report on Managing the Risks of

Extreme Events to Advance Climate Change Adaptation (SREX) is an important basis for

information on changing weather and climate extremes.

data : IPCC #AR5 Working Group I




tnx to The Guardian

Watts Up With That?

Update: the IPCC edifice is crumbling, see The state of climate science: ‘fluxed up’

See also Willis’ article One Step Forward, Two Steps Back, and Lomborg: climate models are running way too hot

This post will be a sticky for awhile, new posts will appear below it. – Anthony

Dialing Back the Alarm on Climate Change

A forthcoming report points lowers estimates on global warming

by Dr. Matt Ridley

Later this month, a long-awaited event that last happened in 2007 will recur. Like a returning comet, it will be taken to portend ominous happenings. I refer to the Intergovernmental Panel on Climate Change’s (IPCC) “fifth assessment report,” part of which will be published on Sept. 27.

There have already been leaks from this 31-page document, which summarizes 1,914 pages of scientific discussion, but thanks to a senior climate scientist, I have had a glimpse of the key prediction at the heart of the…

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