Chicago has been replacing its high-pressure sodium lamps with 3000K LEDs. They are finding many objections to the level of glare and brightness, but the Chicago Tribune editorial board came out with a ringing endorsement of full-spectrum white light, and celebrating the loss of yellow and orange hue of high-pressure sodium. This is my response. … Continue reading Chicago, the Night Should Not Look Like the Day
Things have to be a bit dire to take hope from a roadkilled squirrel, but today, that’s where I found it, north of Sunset, between the 405 and the 101. Continue reading The Californians: Western Gray Squirrel edition
We cover the natural history of Toxoplasma gondii (it is a parasite that only reproduces in the gut of members of the cat family), then lay out the impacts on humans, domestic animals, and wild animals. The take-home message here is that the effects of toxoplasmosis are worse than you imagine and certainly worse than you would think if you listened to people who have a vested interest in downplaying its impacts. Continue reading New paper: taking toxoplasmosis seriously
I get emails. Occasionally they reveal that things that I might have thought were obvious need to be explained. This past week it was an inquiry from an engaged advocate reporting that a local jurisdiction did not think that the advice from one of my papers on avoiding adverse effects on the environment by using … Continue reading Lower color temperature lighting is not just for coasts
Colleagues Scott Loss, Tom Will, Pete Marra and I published an article a month or so in Biological Invasions, titled “Responding to misinformation and criticisms regarding United States cat predation estimates.” The purpose of the article was to address the spurious criticisms that have been leveled against estimates of predation by free-roaming cats published by … Continue reading Not your usual correction
Longcore, T., L. Almaleh, B. Chetty, K. Francis, R. Freidin, C.-S. Huang, B Pickett, D. Schreck, B. Scruggs, E. Shulman, A. Swauger, A. Tashnek, M. Wright, and E. E. Boydston. 2018. Wildlife corridor use and environmental impact assessment: a southern California case study. Cities and the Environment11(1):art4. Abstract Environmental planners often rely on transportation structures … Continue reading New paper: underpass use by wildlife
Back during the Ecological Consequences of Artificial Night Lighting conference in 2002, the prescient Steven Pauley made a strong argument that blue light should be avoided in outdoor lighting for human health reasons and posed the question whether it would reduce impacts on wildlife too. My position at the time was, based on the research … Continue reading New paper: picking spectrum to reduce adverse effects of lights on wildlife
