aging infrastructure
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Coming Soon? A Brief Guide to 21st-Century Megadisasters
A Q&A with Jeffrey Schlegelmilch, author of a new book on potential future calamities, and how they may play off one another.
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Do Two Failed Dams Foretell a Dire Future?
What happened in Michigan shines a light on our aging and failing infrastructure. The question remains, will we do something now to fix it?
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Michelle Ho: In a Land of Plenty, Big Water Problems
Michelle Ho grew up in Australia, the driest inhabited continent, with an appreciation for the value of having a clean glass of water to drink. Now, she conducts research for the Columbia Water Center on America’s water systems.

The first Earth Day in 1970 ignited a movement to stop polluting our planet. Today, our scientists and experts are tackling the most pressing challenges to achieve real-world impact. This Earth Day, join us in our commitment to realizing a just and sustainable future for our planet. Visit our Earth Day website for ideas, resources, and inspiration.
