Sentences with phrase «sure about methane»

I'm not so sure about methane (major sources include rice agriculture, landfills, domesticated animals and biomass burning).

Not exact matches

And finally, what about Mark's questions (# 3) and other factors not discussed here — do all these effects re Arctic ice lead scientists to believe there is a greater and / or earlier chance (assuming we continue increasing our GHG emissions — business as usual) of melting hydrates and permafrost releasing vast stores of methane into the atmosphere than scientists believed before the study, or is the assessment of this about the same, or scientists are not sure if this study indicates a greater / lesser / same chance of this?

And finally, what about Mark's questions (# 3) and other factors not discussed here — do all these effects re Arctic ice lead scientists to believe there is a greater and / or earlier chance (assuming we continue increasing our GHG emissions — business as usual) of melting hydrates and permafrost releasing vast stores of methane into the atmosphere than scientists believed before the study, or is the assessment of this about the same, or scientists are not sure if this study indicates a greater / lesser / same chance of this?

Some handy biological pathways to methane of course... not sure about methanol, there must be some.

RE methane hydrates, here's a NYT article that claims we don't have to worry about the deeper ones for 1000s of years because the ocean is slow in warming, esp down at the bottom where the hydrates are (tho some scientist aren't sure about that): http://green.blogs.nytimes.com/2011/12/20/arctic-methane-is-catastrophe-imminent/?partner=rss&emc=rss