Sentences with phrase «uncertainties about methane»

Not exact matches

For example, models don't currently include permafrost methane emissions — as there's too much uncertainty about them.

«There's quite a bit of uncertainty and disagreement about what the actual leak rate is,» said Tom Moore, Western Regional Air Partnership Air Quality Program Manager for the Western States Air Resources Council in Fort Collins, Colo. «That makes it difficult to understand how much any particular regulation would reduce methane leakage.»

Which as I said is subject to considerable uncertainties about future CO2 and methane.

Uncertainty about the magnitude of methane emissions from leaking wells makes it difficult for federal and provincial regulators to identify and set up programs to control methane emissions, a much more potent greenhouse gas than CO2.

University of Alaska permafrost researcher Vladimir Romanovsky said the models the USGS used in its projections for Alaska's future carbon storage do not capture the vast uncertainties about how much methane melting permafrost will emit.

But while scientists know that «fugitive methane» is a concern, there's much uncertainty about the full extent of the problem.