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Published online 22 December 2005 | Nature | doi:10.1038/news051219-14
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Tree planting not always green
Forests can suck up water and change the soil.
Planting forests to soak up carbon dioxide from the atmosphere can have a range of side effects, including drying up streams and making soil saltier, according to a global study. The discovery highlights the tradeoffs involved in tree-planting projects, say researchers.
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