Grammy-nominated musician Rocky Dawuni is a global star whose craft goes beyond simply entertaining his scores of fans with his music. He is an activist: a Global Ambassador for the United Nations Foundation's Clean Cooking Alliance and United Nations Environment's Goodwill Ambassador for Africa. In the first part of our conversation, we talk about Rocky's activism role and discuss how to make climate change easily understandable by all. And, Tanzania's Maasai people, under pressure to leave their ancestral home in the Ngorongoro Conservation area, ask United Nations to protect their land rights.