Climate: No 'Plan B' for oceans, says study

August 04, 2015 00:19

Technology to drain heat-trapping CO2 from the atmosphere may slow global warming, but will not reverse climate damage to the ocean on any meaningful timescale, according to research published today.

At the same time, a second study reported, even the most aggressive timetable for reducing greenhouse-gas emissions will need a big boost from largely untested carbon removal schemes to cap warming to two degrees Celsius (3.6 degrees Fahrenheit) above pre-industrial levels.

Above that threshold, say scientists, the risk of climate calamity rises sharply. Earth is currently on a 4 C (7.2 F) trajectory.

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