Climate Change and Land: discussion thread

Reposted from Dr. Judith Curry’s Climate Etc. Posted on August 10, 2019 by curryja by Judith Curry Discussion thread on the new IPCC Report on Climate Change and Land. The…

Some of the Major Myths about Vegetation, Soil, and Climate

Guest Opinion: Dr. Tim Ball. People like Vladimir Koppen (1846 – 1940) knew more about climate and climate mechanisms than any member of the Intergovernmental Panel on Climate Change (IPCC)…

BOOM: Global land use change responsible for a significant portion of global warming says study

From the EUROPEAN COMMISSION JOINT RESEARCH CENTRE and the “Dr. Roger Pielke Sr. was right” department. I suspect a whole bunch of climate models that don’t take this into consideration, and…

Study: massive U.S. agriculture in the midwest has a climate cooling effect

From MIT: Intensive agriculture influences U.S. regional summer climate, study finds An increase in corn and soybean production in the Midwest may have led to cooler, wetter summers there. Scientists agree…

What do three CET reference weather stations used by the Met Office have in common?

Guest essay by Tom Barr Central England Temperature stations, long considered a benchmark, have been affected by land use change and urbanisation The answer is blindingly obvious, from above: they…

Oops! Hopes for climate linkage to mosquito population increases dashed by new study

We’ve been told for years that climate change was going to unleash hordes of mosquitoes and disease upon us. For example, this article in Scientific American: Mosquito-borne Diseases on the…

Finding: Forest fires in Sierra Nevada driven by past land use – not climate

From the University of Arizona and Penn State comes this inconvenient finding. Forest fire activity in California’s Sierra Nevada since 1600 has been influenced more by how humans used the land…

In Physics Today: Land use change drives climate change

Land use can influence climate more than greenhouse gases WUWT reader T.G. Brown writes: My monthly copy of Physics Today arrived today with a cover story on ‘Land Use and…

A new paper from Richard Betts shows land use change is a significant component of the global climate heat budget

From the Roger Pielke Sr. has been saying this for years department comes this paper where Dr. Richard Betts of the UK Met Office is a co-author. h/t/ to Betts…

Claim: Due to landscape fragmentation, Brazil's rainforests are releasing more carbon dioxide than previously thought

Effect has so far been missing in reports of the Intergovernmental Panel on Climate Change (IPCC) Because of the deforestation of tropical rainforests in Brazil, significantly more carbon has been…

NOAA: Lots of land cover change in coastal areas seen

From NOAA: NOAA analysis reveals significant land cover changes in US coastal regions Land Cover Atlas helps communities ‘see’ vulnerabilities and craft stronger resilience plans A new NOAA nationwide analysis…

Claim: Australia drying caused by greenhouse gases

But the paper ignores land use and land cover change From NOAA Headquarters and the “its the evil gases wot dun it and nothing else” department, comes more modeling madness via…

And then they came for your home mortage tax deduction…

From Georgia State University  and the department of “let’s just all live in uniform state sponsored mud huts“, comes this latest inanity, blaming carbon emissions on your ability to get…

When Did Anthropogenic Global Warming Begin?

By WUWT Regular “Just The Facts”: Note: This article builds upon a previous article, When Did Global Warming Begin?, which offers highly recommended background for this article. There appears to…

Study: Changing Land-use Not Global Warming to Blame for Increased Flood Risk

Major flood events occur around the world every year, but with international loss databases documenting increased incidents of flooding, more material loss and greater fatality rates, are these events on…

Is Fighting Global Warming the Solution to Water Shortages in Malawi (or Elsewhere)?

Guest essay by E. Calvin Beisner In late May two evangelical environmentalists, recently returned from visiting Malawi, published articles in which they said poor Malawians are suffering from reduced rainfall…

The Chinese demonstrate that UHI has a real and essential effect on regional climate change

Study finds that urbanization has considerable influence on the regional climate change, they even blame proximity to air-conditioning as a factor. Press release from Science China Press (full paper follows)…

The Stokes-Kaufman contamination protocol – a 'sticky' wicket

Over at Climate Audit, Steve McIntyre has found yet another unexplainable inclusion of a hockey stick shaped proxy in the PAGES2K paper. What is most interesting about it is that…

Berkeley Earth, Very Rural and Not

Jet exhaust as climate forcing Guest Post by Willis Eschenbach The good folks over at the Berkeley Earth Surface Temperature project have published their paper about urban heat islands. It’s…

A bridge in the climate debate – How to green the world's deserts and reverse climate change

This is one of the most important posts ever on WUWT, it will be a top “sticky” post for a few days, and new posts will appear below this one…

Inconvenient conclusions in a new climate and land use paper

Dr. Roger Pielke Sr. sends word of this new paper now in early release at the Journal of Climate. The paper suggests humans have strong impacts on the local climate,…

Pielke Jr. on Hurricane Sandy – 'not the new normal'

Dr. Roger Pielke, Jr. has authored an excellent essay in yesterday’s Wall Street Journal that put the kibosh on the “new normal” meme seen here . As Pielke clearly shows, hurricanes…

Sea Ice Page Upgrades, Observations and Questions

By WUWT regular “Just The Facts” In making a couple upgrades to the Sea Ice Page, I made a few observations, and a few questions arose. Firstly, several weeks ago…

More modeling madness: increased temperature 'may' cause more violent thunderstorms – but other studies show what they missed

From Tel Aviv University, another science press release with “could and may” qualifiers:  Climate Change May Lead to Fewer — But More Violent — Thunderstorms Number of flash floods and…