Climate change is harder on women in poor countries, where mothers stay in areas hit by drought, deforestation or crop failure as men move to literally greener pastures, a Nobel Peace laureate said on Tuesday. "Many destructive activities against the environment disproportionately affect women, because most women in the world, and especially in the developing world, are very dependent on primary natural resources: land, forests, waters," said Wangari Maathai of Kenya.