Sunday February 17, 2019

Over 627,000 people die prematurely due to particulate air pollution

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By Newsgram Staff Writer

Over 627,000 people die prematurely and 18 million healthy life years are lost every year due to particulate air pollution Sunita Narain, director general of the Centre for Science and Environment (CSE) said at the Anil Agarwal Dialogue held in memory of CSE’s founder Anil Agarwal in the national capital today. She said that despite decades of air quality management,  particle pollution remains one of the top killers.

Particle pollution is the microscopic solid and liquid matter suspended in the Earth’s atmosphere. It is mostly black carbon, which is a product of incomplete combustion.

“Black carbon is local air pollutant and has global impact as well. The issue to deliberate will be the emerging science on local-global pollutants and also to understand the national road maps for intervention in key areas of mitigation and to see if these are sufficient or transformational approaches are needed,” Narain said.

The two-day event, that began on Wednesday, had discussions on black carbon and its impact of the climate.

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2018 Fourth-hottest Year Since 1880; Earth Set to Get Warmer, Says NASA

"The impacts of long-term global warming are already being felt a" in coastal flooding, heat waves, intense precipitation and ecosystem change," said Schmidt

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Earth depletion
Earth depletion, Pixabay

Earth’s global surface temperatures in 2018 were the fourth warmest since 1880 and the planet will warm further, especially since greenhouse gas emissions are continuing to rise, Nasa and the National Oceanic and Atmospheric Administration (NOAA) have said.

Global temperatures in 2018 were 0.83 degrees Celsius warmer than 1951 to 1980, according to scientists at Nasa’s Goddard Institute for Space Studies (GISS) in New York.

Globally, 2018’s temperatures ranked behind those of 2016, 2017 and 2015. The past five years are, collectively, the warmest years in the modern record.

“2018 is yet again an extremely warm year on top of a long-term global warming trend,” GISS Director Gavin Schmidt said in a statement on Wednesday.

Since the 1880s, the average global surface temperature has risen about 1 degree Celsius.

Kepler, NASA, tissue
NASA. Pixabay

This warming has been driven in large part by increased emissions into the atmosphere of carbon dioxide and other greenhouse gases caused by human activities.

“Weather dynamics often affect regional temperatures, so not every region on Earth experienced similar amounts of warming,” said NOAA.

Warming trends are strongest in the Arctic region, where 2018 saw the continued loss of sea ice.

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“In addition, mass loss from the Greenland and Antarctic ice sheets continued to contribute to sea level rise.

“Increasing temperatures can also contribute to longer fire seasons and some extreme weather events.

“The impacts of long-term global warming are already being felt a” in coastal flooding, heat waves, intense precipitation and ecosystem change,” said Schmidt. (IANS)