Dawn of the Age of Plastic: In 1939, the future arrived at the World’s Fair in New York in “The World of Tomorrow.” The fairground attracted 44 million people and two contenders for the title of most modern industrial material: cork and plastic. Undark
Growing Green Roofs, City by City – Environmental Health Perspectives – From the Pacific Northwest to Washington, DC, local policies are spurring green-roof projects. The cities have their own reasons, it turns out. Click here for the Chinese edition.