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Earth has pushed past seven out of eight scientifically established safety limits and into “the danger zone,” not just for an overheating planet that’s losing its natural areas, but for the well-being of people living on it, according to a new study.
The study looks not just at guardrails for the planetary ecosystem but for the first time, it includes measures of “justice,” which is mostly about preventing harm to countries, ethnicities and genders.
The study by the international scientist group Earth Commission published in the journal Nature looks at climate, air pollution, phosphorus and nitrogen contamination of water from fertilizer overuse, groundwater supplies, fresh surface water, the unbuilt natural environment and the overall natural and human-built environment. Only air pollution wasn’t quite at the danger point globally.
Air pollution is dangerous at local and regional levels, while climate was beyond the harmful levels for humans in groups but not quite past the safety guideline for the planet as a system, the study from the Swedish group said.
The study found “hotspots” of problem areas throughout Eastern Europe, South Asia, the Middle East, Southeast Asia, parts of Africa, and much of Brazil, Mexico, China and some of the U.S. West — much of it from climate change. About two-thirds of Earth don’t meet the criteria for freshwater safety, scientists said as an example.
“We are in a danger zone for most of the Earth system boundaries,” said study co-author Kristie Ebi, a professor of climate and public health at the University of Washington.
If planet Earth just got an annual checkup, similar to a person’s physical, “our doctor would say that the Earth is really quite sick right now, and it is sick in terms of many different areas or systems. And this sickness is also affecting the people living on Earth,” Earth Commission co-chair Joyeeta Gupta, a professor of environment at the University of Amsterdam, said at a press conference.
It’s not a terminal diagnosis. The planet can recover if it changes, including its use of coal, oil and natural gas and the way it treats the land and water, the scientists said.
This article was provided by The Associated Press.