a new film about earth elements and the history of technology will have its north american american germ at the film festival. we are so delighted to welcome you both and we thank you for being here. [applause] and we will be having a conversation and then we will open it up for questions. thank you. >> thank you so much for having us. a big thanks to you for organizing the event. so as i have mentioned, he was a fellow for the center of environmental journalism and that is actually where we met at the new colorado, i was a fellow at the same time. so we have a lot of complementary interest in the environment and as also mentioned i haven't talked much about this as of yet, but we are talking about earth metals. one of the things that i highlighted is just how pervasive these metals are cell phones, computers, but you don't notice them always, natalie runs parallel to what we are going to discuss today. this idea that it is corrosion that is everywhere, and yet we never noticed it, we don't acknowledge it but a few people do. and you have found that the people in the places where it has