"SAN FRANCISCO -- Global investment in clean technology roared back in the third quarter, driven by solar power and a public offering that underscores growing enthusiasm for the sector, Greentech Media reported on Monday.

Clean tech investments -- which include solar power, an electric grid controlled by computers for efficiency, electric cars, biofuels and green building materials -- rose to $1.9 billion in 112 deals, Greentech said.

That represents another big jump, after clean tech went from $836 million in the first quarter to $1.2 billion of second quarter."

David Lawsky reports for Reuters September 28, 2009. [2]