00895nam a2200217Ia 4500 CTU_226268 210402s9999 xx 000 0 und d 363.7 S877 Stone, Robert Earth days Robert Stone Alexandria PBS Distribution 2010 This program looks back to the dawn and development of the modern environmental movement -- from its post-war rustlings in the 1950s and the 1962 publication of Rachel Carson's incendiary bestseller 'Silent Spring' to the first wildly successful 1970 Earth Day celebration and the subsequent firestorm of political action." Môi trường học,Environmentalism Lịch sử,History Hòa Kỳ,United States dqhieu Trung tâm Học liệu Trường Đại học Cần Thơ