"I think we've bottomed out," he says. "I see capital forming. It may be a slow upward trend, but I think we are entering it."
Cash freeze 'thawing'
Seattle: Finding new sources of geothermal energy is risky and expensive work — but finding funding can be even harder, say financial experts.
11 June 2009 22:00 GMT
Updated
25 November 2012 9:57 GMT
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