Google: Clean-energy innovation pays off

Google's philanthropy today released an analysis on the impact of clean-energy innovation that is at once optimistic and sobering.

The Internet company has made it a corporate goal to be carbon neutral and promote green technologies, putting some of its employees on the forefront of thinking on how to speed clean-energy technology development.

Presented on a company blog and in graphics, its study found that technology breakthroughs, coupled with policies to encourage clean energy, will have a positive economic and environmental impact, more so than policies alone. It also found speed is a key lever in delivering benefits...