Growing nitrogen footprint threatens our air, water and climate

A new study from Columbia University finds that nitrogen emissions from agricultural production in the tropics is likely to increase and, in some cases, overtake temperate climates, exposing more people to polluted air and ...

Ten ways climate change can make wildfires worse

Wildfires such as those raging across eastern Australia have become more common across the world in recent years. AFP talked to scientists about the ways in which climate change can make them worse.

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