Extinct megafauna prone to ancient 'hunger games'

Different combinations of human hunting and climate change caused Australia's famed 'giant' species to go extinct, and now it turns out that for some species, changing food availability made things worse.

Pandemic, war, climate change fuel food fears

The economic cost of the global pandemic as well as conflict and climate change are fueling food security fears that in 2020 reached their highest level in five years, according to a report published Wednesday.

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