Phrases with «human sources»

Sentences with «human sources»

  • They say they're 90 % certain CO2 from human sources explains temperature change since 1950. (drtimball.com)
  • If we include only human sources of CO2 and aerosols, then we can explain 60 to 70 % of past variations. (climateaudit.org)
  • It is probable that even a 1 % variation in atmospheric water vapor equals or exceeds all the effects of human sourced CO2. (drtimball.com)
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