Ernst &amp; Young and Dow Jones VentureOne have reported that investments in clean technology companies in the first half of 2007 have reached $1.1 billion. The research found that clean technology investments are poised to increase by more than 35% in 2007 compared with 2006. Very large corporations such as GE, Toyota and Sharp, and investment firms such as Goldman Sachs are now making multi-billion dollar investments in clean technology.