Freshly cut trees dry in one of the many sawmills in Kumasi, Ashanti in 2000. For five years now the heat has been less intense and the rainfall more abundant in a small cocoa farming area in Ghana's Upper Volta region, thanks to villagers bent on affecting climate change.(AFP/File/Issouf Sanogo)AFP - For five years now the heat has been less intense and the rainfall more abundant in a small cocoa farming area in Ghana’s Upper Volta region, thanks to villagers bent on affecting climate change.