Wild Animals are a big environmental concern because they play such vast and important roles on the planet, and humans continuing to damage it through carbon emissions, deforestation and other environmental destruction will result in the loss of many of these vital contributors to Earth's ecosystems. (Photo: iStockphoto)
Oceans face a sea change — from coral and krill to killer whales. Can fish farming save fish? Also: James Hansen's open letter to Obama, Hong Kong's bad air, San Fran's carbon-killing kiosks, and old-growth forests put out to pasture.