Question

the selfishness of human destroys the environment

Answer 1

Unprecedented levels of carbon dioxide in the atmosphere, widespread species extinction and deforestation, and high levels of nitrogen and phosphorous in the oceans because of fertilizer use are putting humanity beyond thresholds that scientists say are safe for the continuation of life on Earth, according to new researched published in the journal Science. The rate at which humans are degrading the environment, they continue, is unprecedented in the past 11,700 years.

"The way to interpret this is as a warning sign," Steve Carpenter, a professor of zoology at the University of Wisconsin-Madison, told VICE News. "We're running up to the biophysical boundaries that enable human civilization as we know it to exist."

In 2009, a group of 28 scientists from around the world came together to create the "planetary boundaries framework," which identified nine processes that need to be monitored in order to maintain life on Earth. The processes were ozone depletion, biodiversity loss, chemical pollution, climate change, ocean acidification, freshwater composition, land systems change, nitrogen and phosphorous flows, and atmospheric aerosol loading. Crossing the recommended thresholds for any of these processes could generate abrupt and possibly irreversible environmental changes.

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Answer 2

Answer:

THE SELFISHNESS OF HUMAN BEINGS DESTROYS THE ENVIRONMENT

Human impact on the environment or anthropogenic impact on the environment includes changes to biophysical environments and ecosystems, biodiversity, and natural resources caused directly or indirectly by humans, including global warming, environmental degradation (such as ocean acidification), mass extinction and biodiversity loss, ecological crisis, and ecological collapse. Modifying the environment to fit the needs of society is causing severe effects, which become worse as the problem of human overpopulation continues. Some human activities that cause damage (either directly or indirectly) to the environment on a global scale include human reproduction,over consumption, over exploitation, pollution, and deforestation, to name but a few. Some of the problems, including global warming and biodiversity loss pose an existential risk to the human race, and overpopulation causes those problems.

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