Our World 2014 Acid Oceans x264 HDTV

"our world 2014 acid oceans"
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emissions of carbon dioxide are not just warming the world; they are also turning the oceans
more acidic. the united states' secretary of state, john kerry, will warn at an oceans summit in
the coming weeks that co2 pollution may drive countless marine species to extinction. the bbc's
environment analyst, roger harrabin, reports for our world on the dangers facing some of the
planet's most spectacular underwater environments, off the coasts of papua new guinea and
australia.