Maya Lin has created an art installation at the Cornell Lab of Ornithology in Ithaca, New York, to draw attention to the importance of international conservation. The Sound Ring plays the sounds of extinct, endangered and threatened species and habitats on the planet — from a chorus of lemurs in Madagascar to Weddell seals in the waters off Antarctica.
Water from the Colorado River reached the sea for the first time in decades this spring, the result of an experimental release of water into the river's long dried-up delta. Now scientists are evaluating the effect of that flood, and trying to nurse parts of the delta back to life.
The rhinos of Kruger National Park, South Africa's largest game reserve, are under siege from poachers. But a plan to evacuate them to other other game parks might not help solve the poaching problem at all.
There's giant, silvery, sea-monster like fish turning up on California beaches, and no one knows why. Meanwhile chocolate prices seem set to rise and China's pollution causes one city, Harbin, to close schools.