Findings released by clean technology researchers have shows huge levels of investment in North America and an overall global increase.
Cleantech Group released preliminary results for the first quarter 2011 for clean technology venture investments in North America, Europe, China and India, totaling $2.57 billion across 159 companies.
These investments were up by 52% compared to the previous quarter of $1.69 billion and were also 31% higher than the same period a year ago at $2.28 billion.
The leading sector in the quarter by amount invested was solar ($641 million), followed by transportation ($311 million) and materials ($296 million).
North America accounted for 85% of the total of global investment while European and Israeli companies raised $165 million, down 60% from the fourth quarter of last year.