Annually exceedance days of 1-h averaged O3 mixing ratios during 1990–2014 for four sites. Study "Influence of Climate Change and Meteorological Factors on Houston’s Air Pollution: Ozone a Case Study" (MDPI attribution license)

Claim: Global warming improves urban air quality

Guest essay by Eric Worrall h/t DailyCaller – a new study published in the MDPI Atmosphere Journal has concluded that global warming is responsible for improving air quality in Houston, Texas. The abstract of the study: Abstract: We examined the past 23 years of ground-level O3 data and selected meteorological parameters in Houston, Texas, which…

Do Climate Projections Have Any Physical Meaning?

Guest essay by Pat Frank This essay expands on a point made in a previous post here at WUWT, that climate models do not produce a unique solution to the energy state of the climate. Unique solutions are the source of physical meaning in science, and make a physical theory both predictive and falsifiable. Predictive…

Is NASA praying for a major U.S. Hurricane?

From NASA Goddard, video follows. It seems that when you don’t delve into the meteorological factors, “luck” seems to be the only explanation. In discussing this paper with hurricane expert Dr. Ryan Maue he tells me: …only looking at last 30-years is too short of time period to extrapolate anything about previous or next 30-years…