Reuters: Twenty-one Nobel laureates including South African anti-apartheid campaigner Desmond Tutu have written to European Union leaders urging them to implement a law that would label oil from tar sands as dirtier than other crudes.
The EU tar sands proposal has incensed the government of Canada, whose economy is highly dependent on its vast reserves of unconventional oil and it has overshadowed protracted talks on a trade treaty with the European Union.
The Nobel laureates say the EU law is necessary...