However, to examine the potential effects of other emissions from aviation (e.g., those considered in Chapter 4), estimates of the amount and the distribution of emissions are required. (ipcc.ch)
In the second study, for the next 20 years, even if, worst - case, we still use lots of coal, nationwide air quality for other emissions will also improve. (calcars.org)
This remarkable technology reduces carbon dioxide emissions by 10 percent and other emissions by as much as 75 percent. (discovermagazine.com)