greenhouse

These Days, Green Drywall Is Sexy in Silicon Valley

Serious Materials is a green construction materials company that has raised more than $60 million in venture capital, thanks to innovative products like its EcoRock sheetrock, which is made with less than one-fifth the energy used to create standard drywall.

A Green Stock Index for Emerging Markets

Until now, green companies in the developing world have lacked a yardstick to track their stock performance versus the rest of the market. The newly introduced "carbon-efficient index" fills that gap -- just in time for the Copenhagen climate meetings.