Experts warn of 'dead zone' in Chesapeake Bay from pollution

When the Conowingo Dam opened to fanfare nearly a century ago, the massive wall of concrete and steel began its job of harnessing water power in northern Maryland. It also quietly provided a side benefit: trapping sediment ...

What happens when a country drowns?

Global climate change is endangering small island countries, many of them developing nations, potentially harming their ability to function as independent states.

In search of an undersea kelp forest's missing nitrogen

Plants need nutrients to grow. So scientists were surprised to learn that giant kelp maintains its impressive growth rates year-round, even in summer and early fall when ocean currents along the California coast stop delivering ...

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