With the nuclear catastrophe at Fukushima and the rising challenge of climate change, 2011 might seem like a dark year for the environment. Yet this year also gave me a lot of hope. The growing power of grassroots activists has achieved some stunning victories and we are taking the planet back.

In rough chronological order, here are just a few things the YOU have achieved this year:

Thanks for a wonderful 2011. See you in 2012.