If you need a good reason to compost your food waste, Kenneth Weiss provides it an article he wrote for Science magazine in May (Vancouver’s Green Dream, Science 20 May 2016, Vol. 352, Issue 6288, pp. 918-921, DOI: 10.1126/science.352.6288.918).  Weiss describes Vancouver’s efforts to combat climate change, among other environmental initiatives, by capturing methane generated in … More Compost.

Hungry Birds

Walking around the Apex Reservoir this afternoon I noticed a lone Double-crested cormorant paddling along. I kept an eye on him as I figured he’d soon be diving, and I was curious how far he’d go underwater. Sure enough he submerged, and I looked ahead five, ten yards to catch where he came up. I … More Hungry Birds

The Ozone Protocol: A Climate Change Precedent

The following letter appeared in the January 1, 2016 edition of the News and Observer, Raleigh, NC News and Observer Letter It’s deja vu all over again reading George Will (“Another false ‘turning point’,” N&O, 12/17) and Charles Krauthammer (“Obama’s legacy of fiction,” N&O, 12/18) whine about efforts to address climate change. Neither one considers … More The Ozone Protocol: A Climate Change Precedent

Plants in Space

Several weeks ago there was a big splash in the media about astronauts aboard the International Space Station (ISS) eating lettuce they had grown in Earth orbit. Having once spent ten weeks on a faculty fellowship at Kennedy Space Center working on potential problems associated with growing plants in space, I was curious about the … More Plants in Space


As a general aviation pilot, a story about increasing conflicts among fliers sharing the skies overhead carries an intrinsic interest with a safety overtone. As a biologist and a birder, realizing the story is about wildlife-human aerial interactions awakens quite a different interest, still with a safety overtone. Sergio Lambertucci, a wildlife ecologist at the … More AIRSPACE CROWDING


The U.S. Department of Energy has for the second time decided to terminate its financial support of the attempt to demonstrate carbon capture and sequestration (CCS). The concept of “clean coal” depends on the ability to capture and inactivate or permanently store the carbon dioxide emissions and other contaminants otherwise released when coal is burned to produce … More CLEAN COAL: A COLLAPSE OF CHICANERY?