Exotic plants can be water-hoggers

We often think of vegetated areas as being ecologically friendly; that is, plants are good for the environment, right? But it turns out that even that statement has caveats. In a study out in this month’s Ecological Applications, researchers have found that some exotic trees in Hawaii can use water at a rate of more than twice that of native trees. This greedy water consumption could spell trouble for the island state, where...

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