Forestle

Forestle was an ecologically inspired search engine created by Christian Kroll in Wittenberg, Germany, in 2008 and discontinued in 2011. Forestle supported rainforest conservation through donations of ad revenue and aimed to reduce emissions. It was similar to the search engine Ecosia, which plants new trees with its ad revenue. Forestle was briefly associated with Google before associating with Yahoo.

==Contributions to sustainability== Forestle saved 0.1 square meters (about 0.12 square yards) of rain forest per search event. It guaranteed to donate 90% of its advertising revenue to the Adopt an Acre program of is partner organization The Nature Conservancy. The Nature Conservancy used these donations by Forestle to sustain rainforests. As of December 9, 2009, about 2,910,000 square meters of rain forest have been saved. By November 20, 2010, about 9,250,000 square meters had been saved.