joshua goldstein, a scholar and professor and writer with expertise in international relations and roll order and climate change. he is the phd from mit in his work which has a slight foreign affairs and policy new york times and washington post answered him foundation individual research and writing rep. in the international associations, or work. he's also so international relations book. his most recent book is a bright future which will be discussing today. the former head of nasa institute says the book lays out the only viable path that is been proposed for rapid global decarbonization. rocky today were going to fall climate change in an hour and four minutes. [laughter] talking. harriet europe. harriet: [applause] lost power. on my laptop. thanks much. good evening. thanks for coming to hear me. i'm going to talk about a novel problem in environmental toxicity. not a novel problem but novel and that we paid little attention to it. this unfortunate poisoning of communities of color. willow environmental toxicity on the present were all affected by it. recent study shared that 95 p