Health report card for the planet: These are the boundaries scientists say we need to watch

From phosphate use to fresh water, we have already breached many of the planetary boundaries. (Freepik: jcomp)

Human activity is breaching most of the boundaries that will keep the planet "stable and resilient", according to a landmark report.

Published in Nature today, the study quantified "planetary boundaries" for aerosol pollution, fresh water, nutrient cycles, biodiversity, land use and climate, beyond which the planet is longer "safe and just" for humans.