carbon emissions are declining in most rich nations and have been declining in britain, germany, and france since the mid-1970s
carbon emissions are declining in most rich nations and have been declining in britain, germany, and france since the mid-1970s
greenhouse gas:155
average carbon emissions within the haulage industry are falling—in the thirty-year period from 1977 to 2007, the carbon emissions associated with a 200-mile journey fell by 21 percent; nox emissions are also down 87 percent, whereas journey times have fallen by around a third.