judges-gavel.jpg The Alberta tar sands just took another humiliating PR hit. Oil giant Royal Dutch Shell reneged on a legal commitment to reduce carbon emissions for a massive $13.7 billion tar sands expansion down to those of conventional oil. Now why would Shell do that? Perhaps because it cant be done. Tar sands emissions are at least three times those of conventional oil and likely to rise as near-surface deposits are exhausted. So-called ca...
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