New options to reduce the greenhouse effect: methane

The impact of methane on climate than in the past that even big! 

 Methane is a greenhouse gas and ozone in the activity of the larger, once after entering the atmosphere, it is easy to produce and other substances of chemical reaction, they are content in the atmosphere and can not reflect their "have" the impact of the atmosphere, only the representatives of and Atmospheric fully mixed reaction after the final result. If the only content to assess their actual contribution to global warming, compared to inactive greenhouse gases - carbon dioxide, caused by the error can be significant, because it is not really into the atmosphere when emissions. Current IPCC (the Intergovernmental Panel on Climate Change, Inter-governmental Panel on Climate Change) assessment of the greenhouse effect is content to do computing model. Therefore, NASA scientist Drew Shindell led research team, was replaced by emissions do computing model, and the results published in the journal Geophysical Research Letters. 

 Research team to the 1750 observations in 1998, based on model and taking into methane, hydroxyl (OH), nitrogen oxides (NOx), carbon monoxide, oxygen isomers (Ox) among active substances such as chemical . According to the new computing the results of methane on warming brought about by the total effect is simply caused by methane itself 2 times. This is because the atmosphere of methane and active substances can react to generate ozone, in the tropospheric ozone is not only the greenhouse effect, will cause harm to humans. IPCC assessment report, although tropospheric ozone into the greenhouse effect, but just less methane comes from the contribution to ozone. 

 In addition, the study also found that nitrogen oxides will reduce the greenhouse effect, because the nitrogen oxides will destroy the methane, which also explained that if the atmosphere in the methane content to calculate the greenhouse effect will be relatively small. However, the increase in emissions of nitrogen oxides, is not a good way to reduce the greenhouse effect, because we do not welcome the environmental impact of acid rain. The warming capacity of methane is about 20 times that of carbon dioxide Moreover, research tells us that change in farming techniques can reduce methane emissions, so the methane will reduce the greenhouse effect in the future good choice.