| http://www.w3.org/ns/prov#value | - While Stewart agrees ???coal is the biggest threat globally,??? that doesn???t let Canada or Alberta off the hook, he says.The oilsands is one industrial site and it has emissions equal to a small country such as Portugal. ???It is one of the largest pools of carbon in the world, so it is a globally significant source.???ATTITUDES CHANGINGIn the 1990s, the oil industry fought the need to reduce gr
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