As scientists debate how to address climate change, one proposal for businesses creates a carbon credit system that allows emission producing companies to buy credits from companies that use energy efficient technologies as a way to offset overall environmental impact.

Google.org, the philanthropic division of Internet giant Google, Inc., announced plans Thursday to distribute $26 million in grants to support initiatives in a variety of fields, ranging from disaster prevention to renewable energy. Larry Brilliant, head of DotOrg, discusses the…