Skeptical Science
Written by a global staff of writers, Skeptical Science is dedicated to "Explaining climate change science & rebutting global warming misinformation— Scientific skepticism is healthy. Scientists should always challenge themselves to improve their understanding. Yet this isn't what happens with climate change denial. Skeptics vigorously criticise any evidence that supports man-made global warming and yet embrace any argument, op-ed, blog or study that refutes global warming. This website gets skeptical about global warming skepticism. Do their arguments have any scientific basis? What does the peer reviewed scientific literature say?"
Latest Stories from Skeptical Science
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How Climate Mitigation Saves Money
Yale's William Nordhaus sets the record straight on his research, which is often misrepresented by climate skeptics.
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A Comprehensive Review Of What's Causing Global Warming
Skeptical Science reviews the results of various studies to see what the scientific literature and data have to say about exactly what is causing global warming.
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On Climate, Skepticism Is A Two Way Street
A skeptic is a person who keeps an equally open mind to all information and evidence, whereas many self-proclaimed "climate skeptics" only seem to consider evidence which appears to undermine the man-made global warming theory.
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What's Settled & Unsettled in Current Climate Change Science?
The big picture is that we know the planet is warming, humans are causing it, and there is a substantial risk to continuing on our current path. We don't know exactly how large that risk is, but it's not an excuse not to act.
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Climategate 2.0: Denialists Serve Up Two-Year-Old Turkey
Another collection of emails from climate scientists does nothing to unsettle the mountain of evidence of climate change.
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Congressional Climate Briefing - The End of Climate Skepticism?
On 14 November 2011, the US Congress Natural Resources Committee held a briefing called "Undeniable Data: The Latest Research on Global Temperature and Climate Science".
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How Extreme Weather Increases With Global Warming - The Basic Version
How many extreme weather events can be put down to climate change? A recent study attempts to calculate the odds.
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How Climate Change Realists & Climate Skeptics View Temperature Rise Data
One of the most common misunderstandings about global temperature data is the difference between short-term noise and long-term signal.
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Sorting Out Settled Climate Science From Remaining Uncertainties
Much ado is made about the phrase "the science is settled," but to what does the phrase refer? There are certainly a number of climate issues for which the scientific evidence is so conclusive and robust, they can reasonably be called "settled."
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Yes, We're Still Causing Climate Change & Yes, It's Still Bad
The Berkeley Earth Surface Temperature study results are in, confirming that Earth is warming. Now the climate skpetics are just shifting the goalposts.
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Here's Why Coal's True Cost Is Much Higher Than We Pay
photo: Jim Brickett/CC BY ND Skeptical Science previous examined the fact that the market price of coal power is artificially low because we do not directly pay for all of its impacts, particularly on air quality and climate change. People who feel
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IPCC Says Renewable Energy Could Be 77% of Global Energy Supply by 2050
The IPCC Working Group III recently released a Special Report on Renewable Energy Sources and Climate Mitigation (SRREN). The purpose of this report is to provide an
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IEA CO2 Emissions Update 2010 - Bad News, Very Bad News
photo: apollo 1981/Creative Commons The following post from Skeptical Science is by Dana Nuccitelli and John Abraham. It originally appeared on The Conversation. TreeHugger already wrote about the report mention in this post, but this provides more
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Are You A Genuine Skeptic Or A Climate Denier?
In the charged discussions about climate, the words skeptic and denier are often thrown around. But what do these words
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Wakening the Kraken: Methane & Warming Oceans
Methane (CH4) is a very potent greenhouse gas, 20-30 times more powerful than carbon dioxide (CO2) on a century timescale. Fortunately, it only occurs in very low
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Which Side of the Global Warming Debate Has Been Right?
With policymakers and the public receiving such diametrically opposed messages from these two prominent scientists, it's understandable that many
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What Was It Like The Last Time CO2 Levels Were This High?
A vivid picture of our climate's future can be found in our past. Currently, atmospheric carbon dioxide (CO2) levels have reached 390 parts per million
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Learning From the Congressional Climate Hearing
The purpose of the recent U.S. House of Representatives Committee on Science Space and Technology climate change hearing was to examine processes used


























