Which bank in the UK has been given emergency financial support by the Bank of England to overcome difficulties caused by the US sub-prime mortgage crisis?
A. Barclay Bank
B. HSBC
C. City Bank
D. Northern Rock
United Nations climate talks in Vienna have ended with rich nations agreeing to reduce greenhouse gas emissions by twenty-five to forty per cent by ______, compared with 1990 levels.
A. 2012
B. 2015
C. 2020
D. 2025