Settled science?: In a 2006 email, Met Office's Simon Tett admits to being "a bit nervous" about this key claim: "The rate and scale of 20th century warming has probably been unprecedented for at least the last 1,000 years"

Email 876

Keith & Tim, are you around today? I'd like your current views on the following statement:

"The rate and scale of 20th century warming has probably been unprecedented for at least the last 1,000 years"

I'm a bit nervous about this! [I think I might try and rewrite it to "The magnitude of late 20th century temperatures has probably been..."]

Defra want to use this for their briefings.

Simon -- Dr Simon Tett Managing Scientist, Data development and applications. Met Office Hadley Centre (Reading Unit)