The warming of the atmosphere by increased carbon dioxide associated with burning wood and fossil fuel---the "greenhouse effect"---and ozone destruction by the chlorofluorocarbon gases are examples of how human activities can also affect climate.
(increased carbon dioxide; associated; with burning wood and fossil fuel) (The warming of the atmosphere by increased carbon dioxide associated with burning wood and fossil fuel---the "greenhouse effect"---and ozone destruction by the chlorofluorocarbon gases; are; examples of how human activities can also affect climate) (human activities; can also affect; climate)
increased carbon dioxide The warming of the atmosphere by increased carbon dioxide associated with burning wood and fossil fuel---the "greenhouse effect"---and ozone destruction by the chlorofluorocarbon gases human activities
associated are can also affect
with burning wood and fossil fuel
examples of how human activities can also affect climate
climate