Destructive insect outbreaks and cod collapse

When fundamental changes started to happen in three ecosystems in North America, people reacted: They completely stopped pollution, forestry and fishing. But these measures were futile; it was impossible to bring the ecosystems ...

Cool weather can amplify attacks of tree-killing bark beetle

As a warming climate invites the destructive southern pine beetle to expand its northern range, the cooler weather in this new habitat can potentially increase the lethality of the insect's assault on trees, according to ...

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