The world has lost an incredible thinker and doer. I have lost an amazing friend. A void exists where before it was filled with David's optimism, humour and joy.
Jeffrey Jones
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In Canada, Late Efforts to Measure Environmental Hazards of Tar Sands
The Alberta government said Wednesday a new scientific agency to monitor the environmental impacts of oil sands production will provide "credible" and "arms-length" analysis. But Greenpeace fired back about the province's "flawed data and incomplete information."
