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Science, Tech & Environment

A Miami port dredging project may have damaged the city's offshore coral reef

Coral reefs around the world are under threat. Acidifying oceans due to the rise of CO2 associated with global warming; the El Niño weather system, which has led to massive die-off and bleaching of corals in parts of the Pacific Ocean. And closer to home, commerce also threatens coral: a recent port expansion may have caused serious damage to the reef off of Miami, Florida.

Science, Tech & Environment

Nuclear reactor closings in the US continue to roil the energy industry

The Entergy Corporation recently announced it would soon close two aging nuclear power plants in the northeast US. At the same time, the Nuclear Regulatory Commission has granted the company a new license to operate a Tennessee reactor that some experts consider one of the least safe in the nation. What does this portend for nuclear energy in the US?