Environmental activists experienced climate change first-hand when their demonstration outside a major environment summit in the alpine town of Banff was buffeted by driving rain, then blinding sleet and snow within just a few minutes. About 50 Greenpeace members and supporters, most dressed up as owls, began their 2 km march in the sunshine of downtown Banff to being attention to what they called Canada's poor record on protecting its forests, the birds' habitat.