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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

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

(CNN) — Human actions have pushed the world into the danger zone on several key indicators of planetary health, threatening to trigger dramatic changes in conditions on Earth, according to

Earth is exceeding its "safe operating space for humanity" in six of nine key measurements of its health, and two of the remaining three are heading in the wrong direction, a new study has said. Only the acidity of the oceans, the health of the air and the ozone layer are within the boundaries considered safe, and both ocean and air pollution are heading in the wrong direction, the study in the journal Science Advances found. "We are in very bad shape," said study co-author Johan Rockstrom, director of the Potsdam Institute for Climate Impact Research in Germany.

Human actions have pushed the world into the danger zone on several key indicators of planetary health, threatening to trigger dramatic changes in conditions on Earth, according to a new