Acidic oceans destroying sea life (BBC 11 March 2009)

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Mankind is changing the chemistry of the oceans and may be the decline of sea life. Experts say the ocean is more now than it has been at any time in the half-million years.
Carbon is an acidic gas and scientists say as it into the sea it's making seawater more acidic. They that ocean acidity is up 30% since the Industrial Revolution. A new shows the growth of some tiny shell forming creatures already to have been stunted by the change.
of this new branch of science that as CO2 emissions continue to , many shell forming species may not survive the next 50 - 100 years. This would hit commercial fisheries and start to unpick the very web of life in the seas.
Dr Carol Turley, who is running acidification debate in Copenhagen, a mass extinction: ''55 million years ago there was a big production of CO2. That in the mass extinction of seabed dwelling shell forming organisms. What we’re doing now is far, far faster, so it may not be possible for organisms to adapt.''
Sceptics say we can't be sure how ocean chemistry will in the future and whether creatures will adapt. The scientists in Denmark say we simply shouldn’t take the .
Roger Harrabin, BBC News

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