Featured Research

from universities, journals, and other organizations

Aerosols: Chemists develop new approaches to understanding disturbing trends near Earth's surface

Date:
September 9, 2013
Source:
American Chemical Society (ACS)
Summary:
Climate scientists have discovered disturbing climate trends close to Earth’s surface.

Chemists who are members of the American Chemical Society (ACS), collaborating with scientists from other fields through the University of California, San Diego (UCSD) Center for Aerosol Impacts on Climate and the Environment (CAICE), have discovered disturbing climate trends close to Earth's surface.

"The extreme weather we have had in recent years is but one example of the highly complex, global science-based challenges we are now living with," said ACS President Marinda Li Wu, Ph.D. "The climate research conducted by CAICE is providing startling insights that I believe will prove to be as important in protecting human health as the ozone research of 30 years ago."

The current research is being led by Kimberly Prather, Ph.D., director of CAICE and UCSD Distinguished Chair in Atmospheric Chemistry, and Vicki Grassian, Ph.D., co-director of CAICE and F. Wendell Miller Professor, Department of Chemistry, The University of Iowa. Grassian is also an ACS Fellow.

Thirty years ago, scientists discovered that chlorofluorocarbons degraded ozone high above Earth's surface. Furthermore, particulates, specifically polar stratospheric clouds, played a role in these processes. Subsequently, the Montreal Protocol, an international treaty signed in 1987, was enacted, fostering policies that have protected the ozone layer, and thus, people, from intense ultraviolet radiation ever since.

Now, the team led by Prather and Grassian is studying how the more complex troposphere is impacted by aerosols, particulates suspended in the air that can circle the globe in a matter of weeks or even just days. These particulates are emitted from a wide range of sources, including coal-fired power plants, vehicles, wildfires, volcanoes, desert dust and even sea spray. Depending on their chemical make-up, aerosols have been shown to have a vast array of environmental effects, impacting cloud formation, precipitation levels and human health. Yet, aerosols are the most poorly understood component of our atmosphere.


Story Source:

The above story is based on materials provided by American Chemical Society (ACS). Note: Materials may be edited for content and length.


Cite This Page:

American Chemical Society (ACS). "Aerosols: Chemists develop new approaches to understanding disturbing trends near Earth's surface." ScienceDaily. ScienceDaily, 9 September 2013. <www.sciencedaily.com/releases/2013/09/130909162338.htm>.
American Chemical Society (ACS). (2013, September 9). Aerosols: Chemists develop new approaches to understanding disturbing trends near Earth's surface. ScienceDaily. Retrieved July 30, 2014 from www.sciencedaily.com/releases/2013/09/130909162338.htm
American Chemical Society (ACS). "Aerosols: Chemists develop new approaches to understanding disturbing trends near Earth's surface." ScienceDaily. www.sciencedaily.com/releases/2013/09/130909162338.htm (accessed July 30, 2014).

Share This




More Earth & Climate News

Wednesday, July 30, 2014

Featured Research

from universities, journals, and other organizations


Featured Videos

from AP, Reuters, AFP, and other news services

Raw: Thousands Flocking to German Crop Circle

Raw: Thousands Flocking to German Crop Circle

AP (July 30, 2014) Thousands of people are trekking to a Bavarian farmer's field to check out a mysterious set of crop circles. (July 30) Video provided by AP
Powered by NewsLook.com
In Virginia, the Rise of a New Space Coast

In Virginia, the Rise of a New Space Coast

AP (July 30, 2014) Every summer, tourists make the pilgrimage to Chincoteague Island, Va. to see wild ponies cross the Assateague Channel. But, it's the rockets sending to supplies to the International Space Station that are making this a year-round destination. (July 30) Video provided by AP
Powered by NewsLook.com
Climate Change Could Cost Billions, According To White House

Climate Change Could Cost Billions, According To White House

Newsy (July 29, 2014) A report from the White House warns not curbing greenhouse gas emissions could cost the U.S. billions. Video provided by Newsy
Powered by NewsLook.com
Climate Change Could Cost Billions According To White House

Climate Change Could Cost Billions According To White House

Newsy (July 29, 2014) A report from the White House warns not curbing greenhouse gas emissions could cost the U.S. billions. Video provided by Newsy
Powered by NewsLook.com

Search ScienceDaily

Number of stories in archives: 140,361

Find with keyword(s):
Enter a keyword or phrase to search ScienceDaily for related topics and research stories.

Save/Print:
Share:

Breaking News:
from the past week

In Other News

... from NewsDaily.com

Science News

Health News

Environment News

Technology News



    Save/Print:
    Share:

    Free Subscriptions


    Get the latest science news with ScienceDaily's free email newsletters, updated daily and weekly. Or view hourly updated newsfeeds in your RSS reader:

    Get Social & Mobile


    Keep up to date with the latest news from ScienceDaily via social networks and mobile apps:

    Have Feedback?


    Tell us what you think of ScienceDaily -- we welcome both positive and negative comments. Have any problems using the site? Questions?
    Mobile: iPhone Android Web
    Follow: Facebook Twitter Google+
    Subscribe: RSS Feeds Email Newsletters
    Latest Headlines Health & Medicine Mind & Brain Space & Time Matter & Energy Computers & Math Plants & Animals Earth & Climate Fossils & Ruins