Blue and Green: Sir Mark Walport, the UK governments chief scientist, has warned that since the industrial revolution the acidity of the worlds oceans has increased by 25% and is set to rise further -- threatening fish stocks and the natural environment.
Today ocean acidification is being driven by manmade carbon emissions, which are often absorbed by the seas. Scientists have observed that the current acidification trend far exceeds historical, naturally occurring trends.
Speaking to the BBC, Walport said,...