We all know that the greenhouse gases that cause climate change are released when coal or gasoline is burned. But do you know that these gases also play a positive role.
They actually help our planet stay cool by picking up polluting particles like aerosols that cool the world by reflecting sunlight and dissipating some of the heat.
However, now that more and more people are accepting the reality of climate change, and air pollution is decreasing, the earth is warming. A recent study sheds light on the harmful effects of this cleanser on the environment and how it will affect us in the future.
Science.org Reports that during the study, researchers have found that the impact of global air pollution on climate has decreased by 30 percent from 2000 levels, based on various satellite studies.
Despite the fact that airborne particulate matter, or aerosols, are thought to cause several million deaths each year, their reduction is good news for public health; this is bad news for Global warming.
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According to Johannes Kwas, a climate scientist at the University of Leipzig and the study’s lead author, clean air has actually increased the amount of warming caused by carbon dioxide emissions by between 15 percent and 50 percent over the same time period.
And, as air pollution continues to decrease, he predicts, “there will be more to it.”
Speaking with Science.org, Jan Cermak, a remote sensing expert at the Karlsruhe Institute of Technology, said that continuing to pollute was not the solution.
“Air pollution kills people. We need clean air. There is no question about it.” Instead, he believes efforts to reduce greenhouse gases should be accelerated.
However, Hansen believes that there is little chance of emissions-reducing quickly enough to meet the 1.5 °C limit demanded by scientists, given that Earth has been around 1.2 °C since pre-industrial times. It has warmed up to degrees Celsius.
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Therefore, he suggested that the answer may once again turn to aerosols, but this time through solar geoengineering.
They claim that in order to prevent the disastrous effects, it will be imperative to adopt temporary corrective measures, which of course include the planned use of temporary aerosols. Geoengineering the controversial idea of launching sulfate particles into the stratosphere to produce a global reflective haze. (NDA)