Green with envy: Cleantech wishes it had an angel problem

While consumer Internet companies are getting crowded with newer and wealthier angel and seed funds, cleantech is seeing a drop both in overall investment dollars and early-stage investing. In fact, the overcrowding of angels backing Web startups — perhaps best evidenced by  the recent Angelgate debacle in which top investors were accused of “colluding” to discuss startup valuations — is a problem that cleantech wishes it had.