Researchers at the University of Bristol with collaborators from ETH-Zurich have shown that the rate of condensation of water on organic aerosol particles in the atmosphere can be very slow, taking many hours for a particle ...
Earth Sciences
Jul 2, 2012
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0
Ubiquitous carbon-rich aerosol particles created by emissions from cars, trees, and other sources alter our climate and affect air quality. Until recently, the properties of these aerosols were hard to experimentally characterize, ...
Earth Sciences
Feb 12, 2015
13
39
New research revealed that tiny, sunlight-absorbing particles in wildfire smoke may have less impact on climate than widely hypothesized because reactions as the plume mixes with clean air reduce its absorbing power and climate-warming ...
Environment
Jul 10, 2020
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128
Anthropogenic climate warming is leading to consideration of options for geoengineering to offset rising carbon dioxide levels. One potential technique involves injecting artificial sea spray into the atmosphere. The sea ...
Earth Sciences
Feb 14, 2012
4
0
New light has been shed on one of the biggest volcanic eruptions in the last 500 years—the so-called 'Unknown eruption'—thanks to an unusual collaboration between a historian and a team of earth scientists at the University ...
Earth Sciences
Sep 18, 2014
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0
CERN's colossal complex of accelerators is in the midst of a two-year shutdown for upgrade work. But that doesn't mean all experiments at the Laboratory have ceased to operate. The CLOUD experiment, for example, has just ...
General Physics
Oct 10, 2019
0
9
California's restrictions on vehicle emissions have been so effective that in at least one urban area, Los Angeles, the most concerning source of dangerous aerosol pollution may well be trees and other green plants, according ...
Environment
Mar 23, 2021
10
212
The Arctic is rapidly losing sea ice, and less ice means more open water, and more open water means more gas and aerosol emissions from the ocean into the air, warming the atmosphere and making it cloudier.
Earth Sciences
Mar 28, 2022
0
275
Many studies show how daytime emissions from coal-fired power plants lead to ultrafine particles, linked to climate and health issues. But few studies watch what happens at night, when conditions favor different reactions. ...
Environment
Nov 5, 2010
0
0
Dust storms from Africa's Saharan Desert traveling across the Atlantic Ocean are nothing new, but the current dust storm has been quite expansive and NASA satellites have provided a look at the massive June plume. NASA-NOAA's ...
Environment
Jun 26, 2020
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