7 objects

A man discussing our country's dependence on fossil fuels and the devastion from power plants and...

A man discussing electricty, the power industry, environmental issues. 

A man speaking to a large audience about "An Energy Policy for the People." 

A man giving a speech about the energy industry, coal mining, nuclear power, solar energy.

A man speaking to an audience about environmental and energy issues, solar power, fusion, nuclear...

Curtis Harvey talking about surface mining and deep mining, regulations, power sources, energy us...