Wildfires sweep into Brazil park harboring jaguars

Wildfire has infiltrated a Brazilian state park known for its population of jaguars, as firefighters, environmentalists and ranchers in the world's largest tropical wetlands region struggle to smother record blazes.

Bores' lasting effect on landscape

Artificial watering points in rangelands are posing an increasing threat to surrounding biodiversity long after the removal of livestock, according to University of Queensland research.

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