Graham, The article is simple scaremongering! As for credible sources there are any number if you wish to inform yourself. My background is in Geology - and the evidence is my own observation of beach-lines (1-2m above current sea levels) around NZ dated as some 7,000 years ago. In addition, please explain how a trace gas can possibly affect the Earth's climate. Sea levels rose over 120 m since the last Ice Age, a few mm per year is nothing; some tides are over 5 m per 12 hours - problem? When you look at things on 10,000 year time frames then the climate over the past few 1000 years has been remarkably stable. The real danger is when the climate turns back to an Ice Age (which, based on past cycles, will happen sooner rather than later), and then we have a serious problem. A warming world (if it is actually happening) is a good thing - better agriculture production, etc. Again, daily temperatures change by 10s of degrees, so why the concern over a couple of degrees over the next 80 years? Since the 1980's when it first raised its head, please provide evidence of any actual problem!

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Graham, The article is simple scaremongering! As for credible sources there are any number if you wish to inform yourself. My background is in Geology - and the evidence is my own observation of beach-lines (1-2m above current sea levels) around NZ dated as some 7,000 years ago. In addition, please explain how a trace gas can possibly affect the Earth's climate. Sea levels rose over 120 m since the last Ice Age, a few mm per year is nothing; some tides are over 5 m per 12 hours - problem? When you look at things on 10,000 year time frames then the climate over the past few 1000 years has been remarkably stable. The real danger is when the climate turns back to an Ice Age (which, based on past cycles, will happen sooner rather than later), and then we have a serious problem. A warming world (if it is actually happening) is a good thing - better agriculture production, etc. Again, daily temperatures change by 10s of degrees, so why the concern over a couple of degrees over the next 80 years? Since the 1980's when it first raised its head, please provide evidence of any actual problem!