The appointment of Sir Patrick Vallance comes amid concerns over the think tank’s clients and sources of funding.
The National Archives has released a number of Cabinet Office files, including dozens from Sir Tony Blair’s Labour government in 1999 and 2000.
Lord Mandelson, the former prime minister’s closest political confidant, said they were under ’some sort of pressure' from animal rights campaigners.
The appointment of Sir Patrick Vallance comes amid concerns over the think tank’s clients and sources of funding.
The National Archives has released a number of Cabinet Office files, including dozens from Sir Tony Blair’s Labour government in 1999 and 2000.
Lord Mandelson, the former prime minister’s closest political confidant, said they were under ’some sort of pressure' from animal rights campaigners.