Posts

December 10, 2014

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6:27 AM | Is Earth’s temperature about to soar?
This is a re-post from tamino's Open Mind, showing that there's no statistical evidence the short-term slowing of global surface warming is a change in the long-term warming trend A recent blog post on RealClimate by Stefan Rahmstorf shows that when it comes to recent claims of a “pause” or “hiatus,” or even a slowdown in global surface temperature, there just isn’t any reliable evidence to back up those claims. Yet for years one of the favorite claims of those […]
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1:32 AM | Is earth’s temperature about to soar? (No pause, no hiatus, only warming)
This is a guest post by the statistician who blogs as Tamino, cross-posted from his Open Mind blog with his permission. It’s important reading… A recent blog post on RealClimate by Stefan Rahmstorf shows that when it comes to recent claims of a “pause” or “hiatus,” or even a slowdown in global surface temperature, there […]

December 09, 2014

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10:56 PM | Snail shells provide detailed records of environmental change
By Dr Jonathan Lewis and Prof Melanie Leng The shells of molluscs from all over the world – on land, in lakes, and in the ocean – contain very detailed imprints of past climate change. Using isotope analysis, we can extract these signals and start to piece together long-term climate variations. You will never look at a garden snail in the same way again! What are molluscs? Molluscs are soft-bodied (invertebrate) organisms that are widespread in terrestrial, freshwater, and marine […]
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10:00 PM | Pyrites of the Caribbean 2
Subtitle suggestion: The one with the kraken (Editor’s Note: Wrong franchise!) By Ingo Pyrites of the Caribbean are fighting for the ANU 2014 Mixed Summer 9s Soccer Competition trophy. We are one football match away from the grand finals on … Continue reading →
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8:01 PM | 2014 SkS Weekly News Roundup #50A
2014 surprisingly rough on coral reefs, and El Niño looms in 2015 California just had its worst drought in over 1200 years, as temperatures and risks rise Cities and markets can fight climate change Climate neutrality – the lifeboat launched by Lima Eating less meat and dairy essential to curb climate change Energy firms in secretive alliance with Attorneys General Kerry plans to attend climate talks Lima climate talks split on role of adaptation, finance in new deal Maps: The […]
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5:44 PM | Is Earth’s temperature about to soar?
A recent blog post on RealClimate by Stefan Rahmstorf shows that when it comes to recent claims of a “pause” or “hiatus,” or even a slowdown in global surface temperature, there just isn’t any reliable evidence to back up those … Continue reading →
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3:03 PM | Why care about Arctic sea ice – it is so far from where I live?
“Warming of the climate system is unequivocal, and since the 1950s, many of the observed changes are unprecedented over decades to millennia. The atmosphere and ocean have warmed, the amount of snow and ice have diminished, sea level has risen, and the concentration of greenhouse gases have increased.” This statement taken from The Fifth Assessment […]Author informationMarie KapschI am a PhD student at the Department of Meteorology at Stockholm University, Sweden. In my […]
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6:46 AM | How the world's economic growth is actually un-economic
By Robert Costanza, Australian National University The focus of the recently concluded G20 summit was economic growth. The final communiqué begins: “Raising global growth to deliver better living standards and quality jobs for people across the world is our highest priority." The word “growth” is mentioned 29 times in the three-page document. Climate is mentioned only in article 19, out of 21. While the parties pledge to “support strong and effective action to […]
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2:12 AM | Carbon News 8/12/14: NZ’s multi-billion carbon blowout
We’re facing a $3b carbon crisis … and it could be worse New Zealand has a $3 billion carbon headache looming – and Treasury says that’s the conservative estimate. Carbon emissions in the period 2021 to 2030 could cost the country as much as $52 billion. Official briefings to the incoming Government acknowledge that the […]

December 08, 2014

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10:38 AM | The most popular deceptive climate graph
The “World Climate Widget” from Tony Watts’ blog is probably the most popular deceptive image among climate “skeptics”.  We’ll take it under the microscope and show what it would look like when done properly. So called “climate skeptics” deploy an arsenal of misleading graphics, with which the human influence on the climate can be down […]
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7:54 AM | iMonsoon
Ahoy! I am typing this blogpost aboard the JOIDES Resolution, the flagship of the International Ocean Discovery Program, in the middle of the Indian Ocean! Last night, we reached Ninetyeast Ridge (most-creatively named!), the first drilling site of our research expedition. Currently we are waiting for the drillers to make sure all the equipment is […]
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6:26 AM | California just had its worst drought in over 1200 years, as temperatures and risks rise
A new paper published in the journal Geophysical Research Letters by Griffin & Anchukaitis concludes that the 2012–2014 drought in California was its most intense in at least 1,200 years. The study used drought reconstructions from tree-ring cores, from the North American Drought Atlas (NADA) and from cores Griffin & Anchukaitis collected from blue oak trees in southern and central California. Blue oak tree ring widths are particularly sensitive to moisture changes. According to […]

December 06, 2014

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4:15 PM | 2014 SkS Weekly News Roundup #49B
Canada's climate inaction leaves it 'increasingly isolated CO2 takes just 10 years to reach planet’s peak heat El Nino's 'remote control' on hurricanes in the northeastern Pacific Even climate change experts and activists might be in denial George Shultz gone solar Giving climate pact legal teeth could make it toothless In decades since COP1, world has gotten hotter, weirder Investigation finds dirty coal projects being financed by climate funds McKibben donates prize money to […]
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6:01 AM | Even climate change experts and activists might be in denial
By Steffen Böhm, University of Essex and Aanka Batta, University of Essex Another month, another important UN climate change conference. The latest is in Lima, the capital of Peru. Thousands of experts from the world of politics, business, academia and civil society – and Leonardo DiCaprio – have flown around the world to urge us all to curb our carbon emissions. Recent meetings have failed to make significant progress. Yet, this year there are high hopes that the US-China […]

December 05, 2014

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2:42 PM | Geology and the Autumn Statement
So George Osborne donned the ceremonial red briefcase on wednesday and took to the helm in the House of Commons (rather inconsiderately while I was in Brussels and couldn’t follow the news…) to deliver the Autumn Statement, one of the two statements that the HM Treasury makes each year to Parliament upon publication of economic forecasts (the other being the Budget which is normally announced in March-time). Statements in the run up to wednesday suggested that Science and […]
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2:23 PM | Lima: A stronger role for climate risk management
By Reinhard Mechler & Thomas Schinko (IIASA) with Swenja Surminski (LSE) As participants in the 20th Conference of the Parties to the Climate Convention (COP 20) in Lima strive to prepare the grounds for a comprehensive climate agreement expected for COP 21 in Paris, negotiators face key questions that revolve around responsibility and burden sharing. These … Continue reading →
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7:37 AM | A pause or not a pause, that is the question.
Originally posted on Open Mind:UPDATE: A new post at RealClimate is very relevant, and well worth the read. One day, a new data set is released. The rumor runs rampant that it’s annual average global temperature since 1980. Climate scientist “A” states that there is clearly a warming trend (shown by the red line),…
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6:22 AM | Cutting carbon pollution is the key to curbing global warming
Not all greenhouse gases are created equal. If we want to limit the temperature rise of the Earth, we really need to focus on the long-lasting greenhouse gases. They’re the ones that matter, according to a new study published in the Proceedings of the National Academy of Sciences by Joeri Rogelj and his colleagues. Most of us already know this, but not all greenhouse gases are created equal. There are some greenhouse gases that, when emitted, only stay in the atmosphere for a short time. […]

December 04, 2014

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9:09 PM | Recent global warming trends: significant or paused or what?
As the World Meteorological Organisation WMO has just announced that “The year 2014 is on track to be the warmest, or one of the warmest years on record”, it is timely to have a look at recent global temperature changes. I’m going to use Kevin Cowtan’s nice interactive temperature plotting and trend calculation tool to […]
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8:40 PM | NZ: pushing the world to go beyond 2 degrees
New Zealand is coming under increasing scrutiny in Lima, not least because it’s our turn to be reviewed by the UNFCCC process. Early next week our representatives will have to defend our position and our lack of action to 190 governments in our first “multilateral assessment.” Already, there have been some tough questions, coming especially […]
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1:01 PM | Is there a pause in the temperature of the lower troposphere?
In my recent post whether there is a ‘hiatus’ in global warming I left out the satellite observations of the lower troposphere. The reason for that was that the analysis of these is different from that of the near-surface series, … Continue reading →
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11:28 AM | Drought and Deforestation in Brazil
This is a guest post by Alexandre Lacerda who lives in Serra Negra, a small town about 150 Km north of São Paulo city, Brazil, where he works as an attorney and entrepreneur. He has contributed many of the Portuguese translations of Skeptical Science arguments and this is his first blog post. I live in São Paulo, the richest state in Brazil, and also the one with the largest population. I live in a small town up on the hills about 150 Km north of São Paulo city, a […]
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3:06 AM | A pause or not a pause, that is the question.
One day, a new data set is released. The rumor runs rampant that it’s annual average global temperature since 1980. Climate scientist “A” states that there is clearly a warming trend (shown by the red line), at an average rate … Continue reading →

December 03, 2014

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7:05 PM | Crowd-funded science: thoughts after 185 people gave us $10,733 for research
I’ve spent the last month pushing our Experiment.com crowd-funding campaign, to support my lab’s upcoming research in the Falkland Islands. After successfully hitting our $10,000 goal with four days to go, I feel like I have a few thoughts about the process (and a lot of you have asked), so here goes: […]
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1:30 PM | Unforced variations: Dec 2014
This month’s open thread. Think history, Lima, and upcoming additions of a single data point to timeseries based on arbitrary calendrical boundaries.
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8:16 AM | Volcanoes may be responsible for most of the global surface warming slowdown
A new study has found that when particulates from small volcanic eruptions are properly accounted for, volcanoes may be responsible for much of the slowdown in global surface warming over the past 15 years. Sulfur aerosol particulates pumped into the atmosphere from volcanic eruptions cause short-term cooling by blocking sunlight. Until recently, climate scientists thought that only large volcanic eruptions had a significant impact on global temperatures. There haven’t been any big […]
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8:00 AM | Looking to the past to see into the future
The Earth’s surface temperatures can have a profound effect on the Earth’s ice sheets, the huge layers of ice thousands of metres thick that cover Greenland and Antarctica. Over the past few decades, satellites have monitored the changes of these icy landscapes, revealing that parts of Greenland and West Antarctica are melting. This is important as it contributes to sea level rise, which can have significant impacts on vulnerable coastal lands. So far, however, East […]
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7:06 AM | Solid Treadgold, easy action (NZ still warming fast)
It’s time to return to the delusions harboured by New Zealand’s little coterie of climate cranks about the NZ temperature record. Readers may recall that — somehow — the men who lost a court case against NIWA and then folded the charitable trust they’d used to bring the case in order to avoid paying costs, […]
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1:29 AM | Terminate Climate Change

December 02, 2014

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11:15 PM | The Tunguska Enigma
By Thomas It was an early June morning in 1908, somewhere in Siberia, as without a warning “the sky split in two and fire appeared high and wide over the forest”. That is at least how eyewitness S. Semenov recalls … Continue reading →
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