Megafarms and oil & gas producers in California's Central Valley are some of the worst polluters of local air, soil, and water. We'll hear how Central Valley residents are pushing back. Later, author Naomi Klein talks about her book, On Fire: The Burning Case for a Green New Deal. But first, we go to Pine Ridge, South Dakota, where reporter we learn how six Native American tribes are harnessing wind power to bring economic development to their members.