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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.

Global Scan

This is how many times British cops fired guns all of last year: 3

Updated

As the debate over gun control — and, now, the use of force by police — rages in the US and elsewhere, Britain offers a stark contrast. Police there rarely carry guns, fire them or kill anyone. Meanwhile, Beijing is getting machines that inspire people to both recycle and ride public transit. And Ebola is killing Liberians who don't even have the disease, in today's Global Scan.