Paul Ehrlich, best known for his work on population growth, discusses solar hydrogen technology as an alternative to fossil fuels and nuclear energy.
Scientist and climate change expert Michael Oppenheimer traces the history of air pollution, beginning with Roman times and moving forward to the post-War period. He also discusses the origins of interest in and awareness of global warming.
Scientist and climate change expert Michael Oppenheimer discusses some of the economic impacts of air pollution, including those related to health, the natural environment, and infrastructure decay.
Former Sierra Club president David Brower talks about the need for conservation and preservation, in light of mankind's unprecedented rate of environmental destruction.
Scientist and climate change expert Michael Oppenheimer talks about what he calls the two driving forces behind the degradation of the environment: the technologies at our disposal and the number of people using them.
Scientist and climate change expert Michael Oppenheimer talks about the deterioration of air quality in the United States from the 19th century through the post-War years. He focuses on the contribution of the automobile to air pollution following W...
Scientist and climate change expert Michael Oppenheimer talks about the increase in air pollution in the United States and elsewhere through the 1960's. He notes that this increase was in large part responsible for legislation aimed at restricting t...
Explorer and environmentalist Jean-Michel Cousteau compares the relative impact of Third World nations and industrial nations on the marine environment.
Scientist and climate change expert Michael Oppenheimer discusses the evidence confirming global warming and the expected impact, which he predicts will be enormous.
Former Sierra Club president David Brower talks about the origins of his interest in the environment. He also discusses his belief that, while humans are the first species to learn how to destroy the environment, we are also capable of fixing at lea...