Harper opposed the imposition of binding targets at the 2007 Bali Conference unless such targets were also imposed on such countries as China and India, which are exempt from GHG reduction requirements under the terms of the Kyoto Protocol. Although Canadian GHG emissions fell in 2008 and 2009 due to the global recession, Canada's emissions were expected to increase again with the economic recovery, fueled largely by the expansion of the oil sands.