15,000 scientists warn about catastrophic impact of human actions on environment 

In 1992, 1,700 scientists warned about dire consequences if we didn’t lessen our dependence on fossil fuels, work to control the world population and stop deforestation. 

As that advice has apparently not been heeded and many conditions have worsened, 15,000 scientists hailing from over 180 countries have issued an updated advisory.

In an article called, "World Scientists’ Warning to Humanity: A Second Notice,"  the authors and signatories note that unless habitats are protected, alternative energies incentivized, and pollution is brought under control, the already fragile biosphere cannot be safeguarded and our future will remain in jeopardy. 

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Smog in India
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Smog in India

People wear pollution masks during the protest march for 'Your Right To Breathe' at Jantar Mantar, on November 6, 2016 in New Delhi, India. New Delhi's air quality has steadily worsened over the years, a consequence of rapid urbanisation that brings pollution from diesel engines, coal-fired power plants and industrial emissions. Several schools cancelled outdoor activity for the students due to the smog.

(Photo by Virendra Singh Gosain/Hindustan Times via Getty Images)

Girls play with a balloon under a flyover amidst the heavy smog in New Delhi, India, November 6, 2016.

(REUTERS/Adnan Abidi)

Security personnel stand guard in front of the India Gate amidst the heavy smog in New Delhi, India, October 31, 2016.

(REUTERS/Adnan Abidi)

NEW DELHI, INDIA - NOVEMBER 6: People doing their routine work in the polluted and foggy morning as smog covers the capital's skyline, on November 6, 2016 in New Delhi, India. New Delhi's air quality has steadily worsened over the years, a consequence of rapid urbanisation that brings pollution from diesel engines, coal-fired power plants and industrial emissions. The air quality continued to remain alarming in Delhi-NCR because of calm winds. People living in Delhi-NCR complained about respiratory problems and itching in the eyes due to smog all over the region.

(Photo by Sanjeev Verma/Hindustan Times via Getty Images)

People walk inside the Ambedkar Memorial Park amidst heavy smog in Lucknow, India, November 7, 2016.

(REUTERS/Pawan Kumar)

People wear pollution masks during the protest march for 'Your Right To Breathe' at Jantar Mantar, on November 6, 2016 in New Delhi, India. New Delhi's air quality has steadily worsened over the years, a consequence of rapid urbanisation that brings pollution from diesel engines, coal-fired power plants and industrial emissions. Several schools cancelled outdoor activity for the students due to the smog.

(Photo by Virendra Singh Gosain/Hindustan Times via Getty Images)

NEW DELHI, INDIA - NOVEMBER 7: A man walking on railway track as smog engulfed the capital amidst high levels of pollution on November 7, 2016 in New Delhi, India. A million school children were forced to stay at home, some businesses urged employees not to come to work and long queues formed outside shops selling face masks on Monday as New Delhi struggled with its worst pollution for nearly 20 years.

(Photo by Sanchit Khanna/Hindustan Times via Getty Images)

School students living at Mayur Vihar Phase III studying in Noida waiting for school bus as all school were closed till 10th of November due to heavy smog on November 7, 2016 in New Delhi, India. A million school children were forced to stay at home, some businesses urged employees not to come to work and long queues formed outside shops selling face masks on Monday as New Delhi struggled with its worst pollution for nearly 20 years.

(Photo by Mohd Zakir/Hindustan Times via Getty Images)

People walk through haze at an industrial area in Mumbai December 3, 2009. India will not accept a legally binding emission cut nor a peak year of carbon emissions at the global climate talks in Copenhagen, Environment Minister Jairam Ramesh said on Thursday.

(REUTERS/Arko Datta/INDIA ENVIRONMENT SOCIETY)

Traffic drives through smog in Delhi, India November 7, 2016.

(REUTERS/Cathal McNaughton)

A man walks in a pond on a smoggy morning in New Delhi, India, October 31, 2016.

(REUTERS/Cathal McNaughton)

A Hindu devotee worships the Sun god amidst heavy smog at a pond during Chhath Puja in New Delhi, India November 6, 2016.

(REUTERS/Adnan Abidi)

School children wear masks to protect themselves from the toxic Delhi - NCR air at Mayur Vihar phase III, on November 7, 2016 in New Delhi, India. A million school children were forced to stay at home, some businesses urged employees not to come to work and long queues formed outside shops selling face masks on Monday as New Delhi struggled with its worst pollution for nearly 20 years.

(Photo by Mohd Zakir/Hindustan Times via Getty Images)

An Indian youngster wears a mask as he stands at the India Gate monument whilst heavy smog covers New Delhi on November 7, 2016. Schools in the Indian capital will be closed for the next three days, the Delhi state government said on November 6, as the city struggles with one of the worst spells of air pollution in recent years.

(AJJAD HUSSAIN/AFP/Getty Images)

People play in a foggy morning at India Gate as smog covers the capital's skyline, on November 6, 2016 in New Delhi, India. New Delhi's air quality has steadily worsened over the years, a consequence of rapid urbanisation that brings pollution from diesel engines, coal-fired power plants and industrial emissions. The air quality continued to remain alarming in Delhi-NCR because of calm winds. People living in Delhi-NCR complained about respiratory problems and itching in the eyes due to smog all over the region.

(Photo by Ravi Choudhary/Hindustan Times via Getty Images)

An Indian man rides a motorbike on a road as heavy smog covers New Delhi on November 7, 2016. Schools in the Indian capital will be closed for the next three days, the Delhi state government said on November 6, as the city struggles with one of the worst spells of air pollution in recent years.

(SAJJAD HUSSAIN/AFP/Getty Images)

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Citing various human efforts to reduce ozone-depleting substances, the piece suggests there is hope "that we can make positive change when we act decisively."

Recommended next steps include halting forest and grassland conversions, establishing and maintaining reserves, encouraging humans to eat less meat, and, in an effort to curb further population explosion, ensuring all have access to family planning. 

“Soon it will be too late to shift course away from our failing trajectory, and time is running out,” the group says at the end of the article. “We must recognize, in our day-to-day lives and in our governing institutions, that Earth with all its life is our only home.”

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Pollution in Paris
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Pollution in Paris
PARIS, FRANCE - DECEMBER 07: The Eiffel Tower and the business district of La Defense surrounded by high levels of air pollution are seen at sunset on December 07, 2016 in Paris, France. The Paris region has experienced the longest and most intense 'winter' pollution spike in ten years, according to Airparif (Ile-de-France Air Quality Monitoring Association). For the third consecutive day the alternating circulation in Paris was carried back to Paris announced the prefecture of police. (Photo by Chesnot/Getty Images)
PARIS, FRANCE - DECEMBER 07: The Eiffel Tower and the business district of La Defense surrounded by high levels of air pollution are seen at sunset on December 07, 2016 in Paris, France. The Paris region has experienced the longest and most intense 'winter' pollution spike in ten years, according to Airparif (Ile-de-France Air Quality Monitoring Association). For the third consecutive day the alternating circulation in Paris was carried back to Paris announced the prefecture of police. (Photo by Chesnot/Getty Images)
Cars drive on the Peripherique in Paris on December 8, 2016 as city authorities announced traffic restrictions would be extended to December 8, with a ban imposed on private cars with registration plates ending in even numbers. Paris was smothered on December 7 by its worst winter pollution in a decade, with commuters enjoying free public transport and half of all cars ordered off the road to try to clear the air. / AFP / JACQUES DEMARTHON (Photo credit should read JACQUES DEMARTHON/AFP/Getty Images)
PARIS, FRANCE - DECEMBER 07: The Eiffel Tower and the business district of La Defense surrounded by high levels of air pollution are seen at sunset on December 07, 2016 in Paris, France. The Paris region has experienced the longest and most intense 'winter' pollution spike in ten years, according to Airparif (Ile-de-France Air Quality Monitoring Association). For the third consecutive day the alternating circulation in Paris was carried back to Paris announced the prefecture of police. (Photo by Chesnot/Getty Images)
PARIS, FRANCE - DECEMBER 07: The Sacre-Coeur basilica surrounded by high levels of air pollution is seen at sunset on December 07, 2016 in Paris, France. The Paris region has experienced the longest and most intense 'winter' pollution spike in ten years, according to Airparif (Ile-de-France Air Quality Monitoring Association). For the third consecutive day the alternating circulation in Paris was carried back to Paris announced the prefecture of police. (Photo by Chesnot/Getty Images)
Water vapour billows from smokestacks at the incineration plant of Ivry-sur-Seine, near Paris, France at sunrise, France, December 8, 2016. REUTERS/Charles Platiau
A small-particle haze hangs above the Eiffel Tower, that is seen on the horizon from Suresnes, near Paris, France, December 8, 2016. REUTERS/Christian Hartmann
The sun rises behind a tree as a small-particle haze hangs in the sky above the Paris region in France, December 8, 2016. REUTERS/Christian Hartmann
A French policewoman stands in the street as she verifies automobile registration plates as authorities imposed alternate vehicle circulation days to reduce car traffic and pollution in Paris, France, December 6, 2016. REUTERS/Benoit Tessier
PARIS, FRANCE - DECEMBER 08: The Eiffel Tower surrounded by high levels of air pollution is seen on December 08, 2016 in Paris, France. The Paris region has experienced the longest and most intense 'winter' pollution spike in ten years, according to Airparif (Ile-de-France Air Quality Monitoring Association). Alternate traffic will be renewed on December 09. (Photo by Chesnot/Getty Images)
PARIS, FRANCE - DECEMBER 08: The Eiffel Tower surrounded by high levels of air pollution is seen on December 08, 2016 in Paris, France. The Paris region has experienced the longest and most intense 'winter' pollution spike in ten years, according to Airparif (Ile-de-France Air Quality Monitoring Association). Alternate traffic will be renewed on December 09. (Photo by Chesnot/Getty Images)
PARIS, FRANCE - DECEMBER 08: A cyclist with a mask of protection against pollution during high levels of air pollution is seen on December 08, 2016 in Paris, France. The Paris region has experienced the longest and most intense 'winter' pollution spike in ten years, according to Airparif (Ile-de-France Air Quality Monitoring Association). Alternate traffic will be renewed on December 09. (Photo by Chesnot/Getty Images)
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