Climate change is being called in some circles the Nazism of the 21st century - in other words, the enemy to be defeated. While America talks a good game when it comes to cutting greenhouse gas emissions, is it putting its money where its mouth is? Are banks loaning to clean tech companies, are investors seeing opportunities?

Robert Wilder, founder of the WilderHill Clean Energy Index, which tracks the clean energy sector, doesn't think so - at least right now. Since the recession hit, investment and loans into clean energy have slowed to a standstill, he tells us. Check out the first part of our interview with Wilder here.

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