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Current conditions for Troutdale as of Sat, 29 Aug 2015 7:53 pm PDT

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Real Climate

  • Let’s learn from mistakes - The publication ‘Learning from mistakes in climate research’ is the result of a long-winded story with a number of surprises. At least to me. I have decided to share this story with our readers, since it in some aspects is closely linked with RealClimate. The core of this story is the reproduction and assessment of […]
  • Ice-core dating corroborates tree ring chronologies - Guest commentary from Jonny McAneney You heard it here first… Back in February, we wrote a post suggesting that Greenland ice cores may have been incorrectly dated in prior to AD 1000. This was based on research by which compared the spacing between frost ring events (physical scarring of living growth rings by prolonged sub-zero […]
  • Unforced variations: Aug 2015 - This month’s open thread. A traditional time to discuss the Arctic sea ice minimum. But NH summer heatwaves, and to be fair, snow in the southern hemisphere, are also fair game…
  • Unforced variations: July 2015 - This month’s open thread. How about a focus on cimate science this time? Data visualizations anyone?
  • Heaven belongs to us all – the new papal encyclical - Guest post by Brigitte Knopf With his encyclical “Laudato Si” the Pope has written more than a moral appeal without obligation. He has presented a pioneering political analysis with great explosive power, which will probably determine the public debate on climate change, poverty and inequality for years to come. Thus, the encyclical is also highly […]
  • Debate in the noise - Last week there was an international media debate on climate data which appeared to be rather surreal to me. It was claimed that the global temperature data had so far shown a “hiatus” of global warming from 1998-2012, which was now suddenly gone after a data correction. So what happened? One of the data centers […]
  • NOAA temperature record updates and the ‘hiatus’ - In a new paper in Science Express, describe the impacts of two significant updates to the NOAA NCEI (née NCDC) global temperature series. The two updates are: 1) the adoption of for the ocean temperatures (incorporating a number of corrections for biases for different methods), and 2) the use of the larger International Surface Temperature […]
  • Unforced Variations: June 2015 - This month’s open thread. Some interesting trends in ocean heat content, surface temperatures, multiple oddly reported papers (which are often linked to ambiguous press releases…) etc. But at least we aren’t working in political science…
  • Global warming and unforced variability: Clarifications on recent Duke study - Guest Commentary from Patrick Brown and Wenhong Li, Duke University We recently published a study in Scientific Reports titled . Our study seemed to generated a lot of interest and we have received many inquires regarding its findings. We were pleased with some of coverage of our study (e.g., here) but we were disappointed that […]
  • Unforced Variations: May 2015 - This month’s open thread.

Climate Depot

Climate Skeptic

  • Matt Ridley: What the Climate Wars Did to Science - I cannot recommend Matt Ridley’s new article strongly enough.  It covers a lot of ground be here are a few highlights. Ridley argues that science generally works (in a manner entirely parallel to how well-functioning commercial markets work) because there are generally incentives to challenge hypotheses.  I would add that if anything, the incentives tend […]
  • Manual Adjustments in the Temperature Record - I have been getting inquiries from folks asking me what I think about stories like this one, where Paul Homewood has been looking at the manual adjustments to raw temperature data and finding that the adjustments actually reverse the trends from cooling to warming.  Here is an example of the comparisons he did: Raw, before […]
  • Mistaking Cyclical Variations for the Trend - I titled my very first climate video “What is Normal,” alluding to the fact that climate doomsayers argue that we have shifted aspects of the climate (temperature, hurricanes, etc.) from “normal” without us even having enough historical perspective to say what “normal” is. A more sophisticated way to restate this same point would be to […]
  • Typhoons and Hurricanes - (Cross-posted from Coyoteblog) The science that CO2 is a greenhouse gas and causes some warming is hard to dispute.  The science that Earth is dominated by net positive feedbacks that increase modest greenhouse gas warming to catastrophic levels is very debatable.  The science that man’s CO2 is already causing an increase in violent and severe […]
  • Those Who Follow Climate Will Definitely Recognize This - This issue will be familiar to anyone who has spent time with temperature graphs.  We can ask ourselves if 1 degree of global warming is a lot, when it is small compared to seasonal variations, or even intra-day variation, you would find in most locations.  That is not a trick question.  It might be important, […]
  • Layman’s Primer on the Climate Skeptic Position - I am a “lukewarmer”, which means a skeptic that agrees that man-made CO2 is incrementally warming the Earth but believes that the amount of that warming is being greatly exaggerated.  In addition, I believe that the science behind evidence of current “climate change” is really poor, with folks in the media using observations of tail-of-the-distribution weather […]
  • When Climate Alarmism Limits Environmental Progress - One of my favorite sayings is that “years from now, environmentalists will look back on the current obsession with global warming and say that it did incredible harm to real environmental progress.”  The reason is that there are many environmental problems worse than the likely impact of man-made global warming that would cost substantially less […]
  • Why We Are Exaggerating “Extreme Weather” - I have written in article at Forbes.com called Summer of the Shark, Global Warming Edition.  It describes why the media, and many average citizens, are exaggerating the degree and effects of extreme weather.  Here is a preview of that article, but I encourage you to read it all In the summer of 2001, a little boy […]
  • HydroInfra: Scam! Investment Honeypot for Climate Alarmists - Cross-posted from Coyoteblog. I got an email today from some random Gmail account asking me to write about HyrdoInfra.  OK.  The email begins: “HydroInfra Technologies (HIT) is a Stockholm based clean tech company that has developed an innovative approach to neutralizing carbon fuel emissions from power plants and other polluting industries that burn fossil fuels.” […]
  • Presentation: The Science of the Skeptic Position - Here is the most recent version of my presentation “Don’t Panic: The Science of the Climate Skeptic Position” I am working to add the narration to it in video form so it is easier to follow. Until I can get that posted, here is my older version of the presentation: Catastrophe Denied: The Science of […]

Watts Up With That

  • The Hood Robin Syndrome - Guest Post by Willis Eschenbach There’s a new study out, under the imprimatur of the Energy Institute of the Haas School of Business in Berkeley, California, entitled The Distributional Effects of U.S. Clean Energy Tax Credits.  As the title implies, it looks at who actually profited from the various “green energy” tax credits across the United…
  • President Obama forced to defend Arctic Drilling Decision - Guest essay by Eric Worrall President Obama, on the eve of a 3 day flying tour of Alaska, to highlight the effects of global warming, has been forced to defend his decision to allow drilling for oil in the Arctic. According to Obama; “Our economy still has to rely on oil and gas. As long…
  • Where Is the Top Of The Atmosphere (TOA)? - Guest opinion: Dr. Tim Ball On WUWT, Bob Tisdale recently examined the disparity of results between IPCC models in “No Consensus: Earth’s Top of Atmosphere Energy Imbalance in CMIP5-Archived (IPCC AR5) Climate Models” and wrote that “There are astonishing differences in the modeled estimates of the past, present and future imbalances and the three components that make…
  • How fast is the Earth warming? - This article presents a method for calculating the Earth’s rate of warming, using the existing global temperature series. Guest essay by Sheldon Walker It can be difficult to work out the Earth’s rate of warming. There are large variations in temperature from month to month, and different rates can be calculated depending upon the time…
  • A detailed review of the book: ‘A Disgrace to the Profession’, by Mark Steyn - Book review by Andy May Mark Steyn has written a wonderful new book on Dr. Michael Mann’s hockey stick and the controversy surrounding it. It is difficult to overstate the significance or impact of Mann’s Hockey Stick (Mann, Bradley, Hughes (23 April 1998), “Global-scale temperature patterns and climate forcing over the past six centuries” (PDF),…
  • On NASA’s recent sea level claim: “Science Isn’t Broken” (Except when it is) - Guest post by David Middleton From Five Thirty Eight Science… THE SCIENTIFIC METHOD 7:00 AM AUG 19, 2015 Science Isn’t Broken It’s just a hell of a lot harder than we give it credit for. By CHRISTIE ASCHWANDEN Graphics by RITCHIE KING If you follow the headlines, your confidence in science may have taken a…
  • Friday Funny Bonus: blinkered @greenpeace activists can’t tell the difference between steam and CO2 - From the “cooling towers are evil fossil fuel icons” department and the mind of Greenpeace comes this hilariously funny (and stupid) tweet. It demonstrates the usual m.o. of Greenpeace these days, blind uneducated vandalism in the name of a cause. Mind you, this isn’t some rogue splinter faction of Greenpeace putting out this photo, it’s the…
  • Friday funny – Stern words - Josh writes: BishopHill has a great story on Lord Stern, infamous economist, on how he flip flops from rich nations having to forget about growth to this kind of idea being a diversionary tactic. Whatever suits, I guess. Even more amusing is that the Guardian links both stories on the very same page! Cartoons by Josh Tagged:…
  • Throwback Thursday #5 – failed global warming driven hurricane predictions 10 years after Katrina - Oh the mighty media quoting the mighty scientists…have fallen flat on their face. Here’s a collection of failed predictions in the wake of Hurricane Katrina: In 2006, CBS’s Hannah Storm Claims Katrina-like Storms Will Happen ‘All Along Our Atlantic and Gulf Coastlines.’ Just five days before Hurricane Katrina’s one year anniversary, CBS news anchor Hannah…
  • Claim: Climate change is affecting the dirt (but only in Europe) - Humus depletion induced by climate change? Stagnating crop yields pose a threat to soil From the TECHNICAL UNIVERSITY OF MUNICH (TUM) The yields of many important crops in Europe have been stagnating since the 1990s. As a result, the input of organic matter into the soil – the crucial source for humus formation – is…
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