TWTC: Al Gore and More Thoughts on Walkability

Al Gore. CC photo by Flickr user jotape_es

Rhonda and I have gotten to talking, and it turns out that despite living on opposite sides of the country, our neighborhoods have a lot in common. She lives in the Bayview area of San Francisco, CA and I’m living in Edgewood, just east of downtown in Atlanta, GA. We thought it would make for [...]

Nitrous Oxide: Top Ozone-Depleting Chemical of the 21st Century

nitrous-oxide-dimensions-3d-balls

The ozone-oxygen cycle in the Earth’s stratosphere The destruction of the Earth’s protective ozone layer (and the growth of the “hole” in this layer over the South Pole) due to the action of human-made chemicals was the leading environmental issue of the last century (entering the public lexicon sometime in the mid 1980′s), and no [...]

Starving Polar Bears Resort to Cannibalism: Global Warming to Blame?

polarbearsmilazinkova

Shrinking sea ice may be to blame for recent polar bear cannibalism incidents in Canada. Eight cases of adult polar bears eating bear cubs and other bears near Churchill, Manitoba, have been reported. Four of the cases were reported to Environment Canada and four to Manitoba Conservation.

Oceans Absorbing CO2, Preventing Climate Change — Good, Right? No

oceans-coral-reefs-octopus-climate-change

As scientists continue to show, the oceans absorb CO2 and keep it from going into the atmosphere. Thus, they help to protect against global climate change. However, this is looking to be perhaps an even bigger problem than climate change! When oceans absorb this CO2, it makes them more and more acidic. “Since the industrial [...]

Yellowstone “Research” Wolf Killed – Wolf Project Data Jeopardized

wolf_pack_in_yellowstone_np

Gray Wolf pack in Yellowstone National Park Several predator species living within the borders of Yellowstone National Park–most notably the Northern Rocky Mountain gray wolf (Canus lupus)–are protected from hunting. But outside the borders of the park, “big game” predator hunting is sometimes allowed. This is the case for the Absaroka-Beartooth Wilderness in Montana, lying [...]