Washington Post: The world's leading environmental scientists told policymakers and business leaders Sunday that they must invest more to cope with climate change's immediate effects and hedge against its most dire potential, even as they work to slow the emissions fueling global warming.
The U.N. Intergovernmental Panel on Climate Change said that climate change is already hurting the poor, wreaking havoc on the infrastructure of coastal cities, lowering crop yields, endangering various plant and animal species,...