Vancouver Sun: In the 1990s the Vancouver Board of Trade’s debt clock travelled the nation, delivering a doom and gloom message about Canada’s $583-billion debtload. The public’s consciousness was raised, allowing politicians to impose change through hardship. Today, the debt is under control and attention has shifted to climate change. In the U.S., Al Gore just launched a $300-million ad blitz to increase awareness about climate change, aiming to have his fellow citizens cut their …