Nearly half the systems crucial to stability of planet compromised

Ignoring the truth will not make it go away.

After Big Bang

Almost half of the processes that are crucial to maintaining the stability of the planet have become dangerously compromised by human activity. That is the view of an international team of 18 researchers who provide new evidence of significant changes in four of the nine systems which regulate the resilience of the Earth.

“People depend on food, and food production depends on clean water,” says Prof. Elena Bennett from McGill’s School of the Environment who contributed the research on the nitrogen-phosphorus cycle to the study. “This new data shows that our ability both to produce sufficient food in the future and to have clean water to drink and to swim in are at risk.”

The research fixing new planetary boundaries (which represent thresholds or tipping points beyond which there will be irreversible and abrupt environmental change) was published today in the journal Science. It suggests that changes to the…

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