Grist: Nelson Mandela, who died yesterday, is best known for his fight against South African apartheid. But his long walk to freedom also included steps toward solving this mammoth problem called climate change. He envisioned a world where all people are able to live a fully dignified life, with clean air to breathe and clean water to drink - and where poor countries are not left with the repercussions of rich nation`s dirty ways.
Six years ago, Mandela founded The Elders, a cross-cultural group of leaders...