Sentences with phrase «levels of aerosol pollution»

The high levels of aerosol pollution to be found in many regions of Asia up to and including the present day are well documented: see https://www.economist.com/blogs/economist-explains/2018/01/economist-explains-19 and also https://www.vox.com/energy-and-environment/2017/11/22/16666808/india-air-pollution-new-delhi

Indeed, conventional wisdom held that higher levels of aerosol pollution in the atmosphere should cool the earth's climate because aerosols can increase cloudiness; they not only reduce precipitation, which raises the water content in clouds, but they also increase the size of the individual water droplets, which in turn causes more warming sunlight to be reflected back into space.

Not exact matches

The scientists expect further warming in the Arctic as levels of greenhouse gases will continue to increase and aerosol particle emissions will likely decrease to combat air pollution in different parts of the world.

India, another huge source of atmospheric pollution, recently allowed European scientists to measure its high - level aerosols, an experiment that also includes flights into Nepal and Bangladesh.

During this event, the aerosols stayed close to the surface due to the presence of a anticyclone hovering over the study region at sea - level, «reducing the amount of shortwave irradiance reaching the surface and causing greater radiative cooling,» states Obregón, who likens the effects of desert dust with those resulting from certain forest fires or episodes of high pollution.

By measuring the amount of red and green in paintings, researchers have estimated past aerosol pollution levels.

A study in mid-2012 found that the sky would look no different post-geoengineering than it currently does in urban areas, which have higher levels of aerosols due to pollution.

Tall smokestacks effectively reduce ground - level air pollution, but they do not reduce the cooling effect of aerosol / particulate pollution.

In the late 1970s the twin threats of global cooling and acid rain were the impetuous for creating regulations to curb above - ground - level aerosol / particulate pollution.

That seems the clearest statement yet of the real problem == is there anything that can replace current levels of air pollution, if high sulfur coal and oil are phased out for respiratory health reasons, that would make up for the loss of the aerosols» negative forcing on global temperature?

This is true, and has been attributed to higher levels of pollution aerosol particles, which commonly cause 20 % decreases in UV - B radiation in the summer (Wenny et.