High and volatile energy prices have driven the regulation of commodity financial markets to the forefront of the U.S. and G20 policy agendas. Integrated commodity markets require international policy coordination, but not all domestic and international policy initiatives are equally desirable.

Determining the "most urgent" global environmental issue is somewhat subjective; many would argue that carbon emissions and climate change is the most pressing issue. Others are just as passionate about deforestation, water scarcity, groundwater contamination, loss of biodiversity, landfills, ocean acidification, air quality… the list goes on.

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The global economic crisis and the subsequent attention to economic and budgetary issues have monopolized the political debate. With the aftermath of the crisis still being felt, there is not much political will for policies that may create short-term economic pain for long-term benefits. These include policies to combat or adapt to climate change.

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Michael A. Levi and Daniel P. Ahn say, "If lawmakers decide to go ahead with further deficit reduction, they would be remiss not to take a hard look at higher oil taxes as part of the deal."

Taxes on oil consumption have long been a legislative third rail, yet concerns about the national debt may soon change that political calculus. Daniel Ahn and Michael Levi demonstrate that energy taxes can reduce the national debt and improve economic performance, all while reducing U.S. oil consumption.

Prices at the pump are emerging as a significant U.S. election issue. Five experts offer a range of policy options, from lowering regulations to encouraging less consumption.

High and volatile energy prices have driven the regulation of commodity financial markets to the forefront of the U.S. and G20 policy agendas. Integrated commodity markets require international policy coordination, but not all domestic and international policy initiatives are equally desirable.