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This program unravels some of the foundational chemistry that affects everything on planet earth. It begins with the primary conversion of simple chemicals into complex compounds that form the building blocks of all life. Using the further conversions that occur in a dairy cow, the team decodes how

Item Number:  (470330-890)
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Today, thousands of communities across the country face the challenges of removing outdated dams that threaten to fail. So they wrestle with the questions of how to remove these old dams and how dammed rivers can be restored. This program reveals how one community struggled to discover the real wo

Item Number:  (470330-876)
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What impacts do polluted waterways and aquifers have on people and natural ecosystems? How can new concepts in land use hold promise to help solve water woes? Discover the science of water pollution. Find out what can be done by whom to save lakes threatened by toxic cyanobacteria, how some botanic

Item Number:  (470330-864)
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