Friday, June 17, 2016

Loose Feathers #550

Nelson's Sparrow / Photo by Rick Bohn/USFWS
Birds and birding news
Science and nature blogging
Environment and biodiversity
  • The carbon dioxide monitoring station in Antarctic exceeded 400 parts per million for the first time in 4 million years. Meanwhile a new study shows that atmospheric levels of carbon dioxide are unlikely to drop below 400 ppm again within our lifetimes.
  • Satellite imagery revealed that there was illegal logging in Mexico's Sierra Chincua, one of the wintering sites for Monarchs.
  • Removal of a dam has brought river herring back to the Wynants Kill in the Hudson River watershed for the first time in 85 years.