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How Safe is the Hudson? Scientists Test the River, Adirondacks to Ocean
A team of scientists conducted an unprecedented health check of the entire Hudson River system, from its source to New York Harbor. This is what they found.
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How Well is the World Protecting Ecosystems and Human Health?
The new global environmental report card is out. The 2016 Environmental Performance Index graded 180 countries on how well they are protecting human health and their ecosystems. While the world is making progress in some areas, it is seriously falling behind in others.
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The IRI Becomes The International Research Institute for Climate and Society
In October 2005, the Trustees of Columbia University changed the name of the International Research Institute for Climate Prediction to better reflect the work of the Institute. The IRI develops and implements strategies to reduce society’s vulnerability to climate risk. It partners with local institutions to best understand needs, risks and possibilities. The IRI supports…

The first Earth Day in 1970 ignited a movement to stop polluting our planet. This Earth Month, 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.