Is fire the new normal in the American West?

The summer of 1988 was unusually hot, dry and windy in the American West, and 30 years ago this year, those conditions combined at Yellowstone National Park in Wyoming to create what were among the largest and most severe ...

Scientists call for action to tackle an invasive tree species

An invasive Australian tree is now posing a serious threat to a global diversity 'hotspot' according to new collaborative research between Landcare Research in New Zealand, the Universities of Cambridge (UK) Denver (US) and ...

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