If they want to make one big green gesture, though, leaders could most usefully agree to phase out the subsidies they pay for the dirtiest fuels, particularly coal.
The metals and coal sectors aren't demand driven, but they are price sensitive to the dearth of incremental supply, particularly coal, iron ore and even copper with all its mine outages.
But these efforts will not immediately offset the amount of power the eight forgone plants were expected to produce, meaning that new power plants, particularly coal plants, will be needed to fill the energy deficit.
In 2013, the beads and bones of my childhood point to firm growth for Mozambique, with investment in the country's natural resources sectors, particularly coal and gas, the major driver while the power problems in Tanzania are unlikely to prevent it becoming one of Africa's economic growth stories.
Her industrial legacy in Wales, particularly the coal mining communities of the south Wales valleys, has drawn much debate.
Officially, the government's pilot plant is a demonstration for others (particularly China, which is building coal plants at breakneck speed) designed to show that the embryonic technology works.
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Fuxin is one of several cities in the north-east that the government has particularly worried about because of its reliance on diminishing coal production.
The export coal demand is expected to grow, although at a slower rate, given the tight truckload capacity, growth in international coal prices and improving global demand, particularly from Asian economies.
"When we compare changes in the black carbon to changes in these other indicators, it is clear that most of the increases in black carbon in the late 19th and early 20th centuries, particularly in winter and spring, resulted from industrial emissions - probably from coal burning, " he added.
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Particularly damaging was an EPA rule finalized in February 2012 that created new emissions standards for coal- and oil-fired electric utilities.
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Such fuels include natural gas, methanol (which can be produced from anything with carbon in it, including natural gas and coal) and ethanol (which can be generated from sources other than corn, particularly as cellulosic technologies come on stream).
Those from coal-producing and coal-using states, especially senators facing tough 2012 re-election races, have particularly strong incentives.
Examples of these resources include oil, natural gas, precious metals (particularly gold and silver), base metals such as copper and nickel, and other resources such as diamonds, coal, lumber and even water.
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