scientists at lawrence livermore national laboratory (llnl) and uc berkeley and have discovered new materials to capture
1, the second highest concentration greenhouse gas emitted into the atmosphere. methane is a
substantial（大量的） driver of global climate change, contributing 30 percent of current net climate warming. concern over methane is mounting, due to leaks associated with rapidly expanding unconventional oil and gas extraction, and the potential for large-scale release of methane from the arctic as ice cover continues to melt and decayed material releases methane to the atmosphere. at the same time, methane is a growing source of energy, and aggressive methane
mitigation（减轻，缓和） is key to avoiding dangerous levels of global warming.
the research team, made up of amitesh maiti, roger aines and josh stolaroff of llnl and professor berend smit, researchers jihan kim and li-chiang lin at uc berkeley and lawrence berkeley national lab, performed
2 computer simulation studies on the effectiveness of methane capture using two different materials -- liquid
3（溶剂） and nanoporous zeolites (porous materials commonly used as commercial adsorbents).
while the liquid solvents were not effective for methane capture, a handful of zeolites had sufficient methane sorption to be
4 5. the research appears in the april 16 edition of the journal, nature communications.
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