An international consortium launched a deforestation monitoring site. Story at BoingBoing. Google is one of the sponsors.
You have to accept terms and conditions to enter the actual site.
From the site:
"Global Forest Watch (GFW) is a dynamic online forest monitoring and alert system that empowers people everywhere to better manage forests. For the first time, Global Forest Watch unites satellite technology, open data, and crowdsourcing to guarantee access to timely and reliable information about forests. GFW is free and follows an open data approach in putting decision-relevant information in the hands of governments, companies, NGOs, and the public.
GFW is supported by a diverse partnership of organizations that contribute data, technical capabilities, funding, and expertise. The partnership is convened by the World Resources Institute. See a full list of partners below."