US scientist: Ocean acidity major threat to reefs

SYDNEY (AP) -- Oceans' rising acid levels have emerged as one of the biggest threats to coral reefs, acting as the \osteoporosis of the sea\ and threatening everything from food security to tourism to livelihoods, the head of a U.S. scientific agency said Monday.The speed by which the oceans' acid levels has risen caught scientists off-guard, with the problem now considered to be climate change's \equally evil twin

Comment Here