This year saw the launch of the Lush ethical cosmetics company's first-ever Spring Prize which rewarded organisations around the world who are committed to social and environmental regeneration. Lush is a content collaboration partner with the Ecologist and this is the first in a series of special reports from the 11 prize winners explaining more about their project and its goals. SIDDHARTH RAO introduces the Timbaktu Collective which won an award for its inspiring regeneration and conservation work with some of the most marginalised communities in India