In a landscape blackened by the wildfires that have ravaged Brazil in recent months, green shoots are already pushing through as volunteers work in the country's tropical savannah, or cerrado, to replant the land with the vegetation that was lost. "This fire has caused irreversible damage to the ecosystem we're trying to preserve here," says Keiko Fueta Pellizzaro after spreading seeds on the ground. The soil and charred tree trunks bear witness to the ferocity of the fire that consumed 1,470 hectares of land in September. IMAGES AND SOUNDBITES