Increasing aerosols may have induced cooling in China

David L. Hagen writes about a new study: Increasing aerosols, decreasing insolation, decreasing temperature, and decreasing precipitable water over 18 years in China.  “Evaluation of Atmospheric Precipitable Water Characteristics and…

Pat Michaels on aerosols, China coal, and lack of recent warming

The Current Wisdom: The Lack of Recent Warming and the State of Peer Review by Patrick J. Michaels Boston University’s Robert Kaufmann and colleagues recently published a paper in the…

Study: China’s Clean Air Policies are Triggering Additional Global Warming

According to a study whose authors include Ken Caldeira, China’s efforts to eliminate its infamous air pollution could cause an additional 0.1C NH warming, because less sunlight will be reflected…

Nitrogen Dioxide Ramping Up Again Over China

From United space in Europe ESA / Applications / Observing the Earth / Copernicus / Sentinel-5P Recent data have shown a decline of air pollution over northern Italy coinciding with…

Study: Haze in China amplifies UHI effect

Study reveals surprising role of haze in the warming of Chinese cities Research reveals that impacts of haze pollution in the US and China vary significantly From the YALE SCHOOL…

Claim: aerosols prevented hurricanes from getting stronger, but will intensify now

From THE EARTH INSTITUTE AT COLUMBIA UNIVERSITY Tropical cyclones on track to grow more intense as temperatures rise Aerosols have compensated for greenhouse gases, but won’t in future Powerful tropical…

The Role of Sulfur Dioxide Aerosols in Climate Change

Guest essay by Buel Henry In 2007, the Nobel Prize for Peace was awarded to Albert Gore and the IPCC for their work in promoting the theory that global warming…

Study: Large volcanic eruptions cause drought in eastern China

Via AGU, and the “science is settled” department, once again we learn things we didn’t know about climate. In most cases, the annual East Asian Monsoon brings heavy rains and…

Wildfire aerosols not handled well in climate modeling

From Los Alamos National Laboratory: Wildfires may contribute more to global warming than previously predicted They suggest that fire emissions could contribute a lot more to the observed climate warming…

Study: Black carbon aerosol forcing may be an important factor affecting the snow & ice cover in the Northern Hemisphere

We’ve had several essays here at WUWT  on the role of Black Carbon soot and its role in affecting surface albedo. Anyone who has ever witnessed “dirty snow” knows that…

Aerosols from Moderate Volcanos Now Blamed for Global Warming Hiatus

While looking for quotes on an upcoming post about Ocean Heat Content, I ran across the press release for a new paper (in press) by Neely et al, which blames…

New NASA paper contradicts Kaufmann et al saying it's volcanoes, not China coal

It seems that there’s a paper (from JeanPaul Vernier at NASA) out that contradicts the findings of Kaufmann et al 2011, where they blame China’s increasing coal consumption for lack…

Claim: Unilateral Geoengineering Attempts Could Lead to Conflict

“… Once climate engineering is deployed, countries may be more likely to blame climate engineering for extreme events such as hurricanes, floods and droughts, regardless of the evidence. …”

Weekly Climate and Energy News Roundup #592

“A coincidence of interests is always more powerful than a conspiracy.”

Weekly Climate and Energy News Roundup #591

“My interest in science was always essentially limited to the study of principles … That I have published so little is due to this same circumstance, as the great need…

Weekly Climate and Energy News Roundup #590

If there is something very slightly wrong in our definition of the theories, then the full mathematical rigor may convert these errors into ridiculous conclusions.”

Weekly Climate and Energy News Roundup #587

Without Freedom of Thought there can be no such thing as Wisdom; and no such thing as Public Liberty, without Freedom of Speech.” — Benjamin Franklin (1722)

Weekly Climate and Energy News Roundup #578

“The fundamental cause of the trouble is that in the modern world the stupid are cocksure while the intelligent are full of doubt.” – Bertrand Russell

Energy In The Air

Guest Post by Willis Eschenbach. TL;DR: Ramanathan proposed that the “greenhouse effect” could be measured as surface upwelling longwave minus top-of-atmosphere (TOA) upwelling longwave. However, this ignores the contributions to…

Weekly Climate and Energy News Roundup #577

Nobody’s honest. Scientists are not honest. And people usually believe that they are. That makes it worse. By honest I don’t mean that you only tell what’s true. But you…

Weekly Climate and Energy News Roundup #576

Doubt is clearly a value in the sciences. Whether it is in other fields is an open question and an uncertain matter.” “…it is very important to doubt and that…

Weekly Climate and Energy News Roundup #575

All other aspects and characteristics of science can be understood directly when we understand that observation is the ultimate and final judge of the truth of an idea.

James Hansen Hots it Up Even Higher

New paper from the “father of global warming” argues reducing greenhouse gas emissions is not enough to combat climate change

Weekly Climate and Energy News Roundup #572

“Extraordinary claims require extraordinary evidence.”