Linta River Delta and Dunes, Madagascar
An astronaut on the International Space Station used a long lens to shoot this photograph of the complex shoreline near the Linta River delta in southern Madagascar.
Sunscreen Chemical Imperils Coral Reefs Around the Globe
Sunscreen contains a chemical – Oxybenzone – that scientists believe is causing massive damage to coral reefs worldwide and threatens their very existence, researchers warn.
And Now for Some Good News About Climate Change
Small things like energy efficient lightbulbs and big ones—like solar panels and light rail transportation—are making a difference. Australian author Tim Flannery counsels cautious optimism by showing how the millions of small actions taken by individuals are driving down oil consumption and points out how new “Third Way” carbon-capture technologies promise to reduce emissions and create massive economic opportunities.