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Offsetting carbon emissions, conceptual image
Offsetting carbon emissions. Conceptual image showing coal balanced on a set of scales against trees. This represents the environmental strategy known as 'carbon offsetting'. This strategy involves the planting of trees (which absorb carbon dioxide) to offset the release of carbon dioxide elsewhere. Carbon dioxide is the main greenhouse gas that contributes to man-made global warming. When coal is burned, the carbon in the coal combines with oxygen to form carbon dioxide., by VICTOR de SCHWANBERG/SCIENCE PHOTO LIBRARY
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0.5 MB
724 x 724 px
6.1 x 6.1 cm
$ 100.00
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5 MB
2290 x 2290 px
19.4 x 19.4 cm
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23.8 MB
5000 x 4999 px
42.3 x 42.3 cm
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