A new study of Earth's health says the planet is outside its “safe operating space for humanity” on six out of nine key measurements
The nine factors are intermingled. When the team used computer simulations, they found that making one factor worse, like the climate or biodiversity, made other Earth environmental issues degrade, while fixing one helped others. Rockstrom said this was like a simulated stress test for the planet.
Biodiversity – the amount and different types of species of life – is in some of the most troubling shape and it doesn’t get as much attention as other issues, like climate change, Rockstrom said. University of Michigan environmental studies dean Jonathan Overpeck, who wasn’t part of the study, called the study “deeply troubling in its implications for the planet and people should be worried.”
The fact that ozone layer is the sole improving factor shows that when the world and its leaders decide to recognize and act on a problem, it can be fixed and “for the most part there are things that we know how to do” to improve the remaining problems, said Carnegie Mellon chemistry and environment professor Neil Donahue.
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