it's roosevelt that realized that the federal government has an obligation to save speesies, birds, animals, plants and trees. the president has an obligation to make sure we put aside those >> i was really interested in him. i had a program called magic bus. i brought kids across the country. he wrote this incredible book. one i particularly like called the willederness hunter. >> i started realizing that from the civil war and world war one, roosevelt use the white house to promote conservation and nature the support to save birds. the eventual creation of fish and wild life, it's changed america. this summer, if anybody opens the atlas, you see all that green. you are look at roosevelt monday ue meants. he put aside 240 acres of wild america. now as people are talking about environmental ix and green movements. roosevelt is becoming the key figure. the only politician of the day to under darwin and birds migration patterns one of the things you see throughout this center are stuffed animals. >> tax determiney >> he was asthma and was sickly. his first document we have is about birds. the