A Loss of Large Carnivores?
January 12, 2014 | Oregon State University
"In ecosystems around the world, the decline of large predators such as lions, dingoes, wolves, otters, and bears is [occurring in response to] habitat loss, persecution by humans and loss of prey combine to create global hotspots of carnivore decline." Quoted from the Oregon State press release.
Decline of the Mining Workforce in the United States
March 25, 2013 | Arizona Geology
Lee Alison comments on the decline of the skilled mining workforce in the United States and the tiny educational pipeline left to supply it.
Venus: Atmospheric Sulfur Dioxide Spikes
January 3, 2013 | Time.com
Sulfur dioxide concentrations in the atmosphere of Venus have been observed to spike and decline.
The most likely explanation is changes in volcanic activity.