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Wind's growing cost-competitiveness driving energy and economic diversification

There are many unknowns about hydraulic fracturing and water issues in Canada, but this is a fast-paced and important area in which decisions being made should hinge upon scientific knowledge.

As global agricultural resources shrink or shift, countries are crossing borders to obtain new farmlands

China’s rapid pace of growth is slowing, and no one knows if India can become the next China. So who will lead global economic growth?

Scientists warn that densely-packed cities face even greater health hazards as greenhouse gases continue to push up temperatures.