Michael Silberman is the Web of Change 2010 Chair and a partner and co-founder at EchoDitto, an internet strategy and online campaigns team that works with leading social change organizations.

Going to the U.N. climate change conference in Copenhagen (COP15) was the closest I've come to a good strong punch in the gut -- the type that makes you question much of what you once believed to be true. But it was also one of the best wake-up calls I could have asked for.