Biodiversity

"Something that has been missing from San Francisco Bay since World War II appears to be making a comeback: Harbor porpoises are showing up in growing numbers, and researchers are trying to understand why they're returning."

"On this day 38 years ago Richard Nixon signed into law the Endangered Species Act (ESA), a landmark moment in human development when we formally recognized that animals and plants—imperiled as "a consequence of economic growth and development untempered by adequate concern and conservation"—deserved to survive... and need our protection in order to survive.

The ESA has been embattled since its birth. But so is every advance in human thinking that expands the rights and humane treatment of nonhuman others."

"There is good news from Vermont this Christmas for the little brown bat, a threatened species that’s hanging on to existence 'by a tiny little fingernail,' said a state conservationist who’s watched them die by the millions in the Northeast from a mysterious disease."

"The gray wolf in Minnesota could go from protected to hunted - perhaps as soon as next fall - after it is removed from the endangered species list in January. "

"For the first time, a US appellate court has ruled that the federal government must continue to protect an animal – in this case, Yellowstone grizzly bears – in part because of consequences of global warming."

"TRAVERSE CITY, Mich. — The Environmental Protection Agency proposed stricter requirements Wednesday for cleaning ballast water that keeps ships upright in rolling seas but enables invasive species to reach U.S. waters, where they have ravaged ecosystems and caused billions of dollars in economic losses."

"Marine scientists are trying to find out why previously unknown blooms of toxic algae are suddenly proliferating along the California coast, killing wildlife and increasing the risk of human sickness."

"Congress has restored funding for US inspectors to oversee horse slaughter, paving the way for slaughter and processing to resume for the first time since 2006. Animal rights groups are livid."

"For 17 years, the Hendra virus smoldered in its host bat population, only rarely crossing to humans. Then it exploded, likely triggered by heavy rains and floods in Australia earlier this year. And that has public health doctors nervous about climate change. "

Nancy Bazilchuk reports for the Daily Climate November 29, 2011.