To be fair it wasn't that poster that claimed the 10ft.
But in your defence it is hard, if not impossible to debate with those that are prone to such exaggerations and hard to separate the moderate looneys from the real hard core.
They are so consumed with the lunacy of the whole AGW business that they have lost all reason.
The climate is changing. It always has. Ice core data proves that irrefutably.
Transferring wealth from the rich to the poor will not change 'climate change'.
