 The program lasted fifteen years and cost Canada 260 million dollars (170 million U.S. dollars), and it was expected to earn roughly 1.5 billion Canadian dollars (1 billion U.S. dollars) of capital investments across the country.An internal audit in 2006 observed that capacity factors were overestimated by applicants, so less capacity was actually supplied than intended.In 2002, Canada upheld the Kyoto Protocol, a nationwide pledge to help maintain and reduce greenhouse gas based on the theory that society has caused global warming.