News tagged with forested areas

Forest and savanna can switch quickly

( -- Two recent studies have found that environmental changes can bring previously stable forests and grasslands to tipping points that produce sudden large-scale and sometimes irreversible changes in which forest ...

dateOct 14, 2011 in Environment report
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Bitsy beetle warms Canada, study says

An army of rice-grain-sized beetles, attracted by warming weather, has moved into Canada's western forests, where its tree massacre is causing the mercury to rise yet further, a study said Sunday.

dateNov 25, 2012 in Environment
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