In this clip, writer and environmentalist Alex Steffen discusses the long-term importance of sustainable design and the immediate necessity of world leaders to embrace this notion.
Alex Steffen on Improving Technology
In this clip, writer and environmentalist Alex Steffen discusses the long-term importance of sustainable design and the immediate necessity of world leaders to embrace this notion.
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This episode of The Planet examines the danger posed by the looming mass extinction of animals and plants, brought about by man-made changes to the landscape.
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