A team of scientists have used the Ozone Monitoring Instrument (OMI) on NASA's Aura satellite to confirm major reductions in the levels of a key air pollutant generated by coal power plants in the eastern United States. The ...
Environment
Dec 1, 2011
12
0
University of Southampton scientists investigating ways of removing carbon dioxide (CO2) and other greenhouse gases from our atmosphere believe volcanic ash could play an important role.
Environment
Sep 29, 2020
3
408
A rare mineral that has allowed Roman concrete marine barriers to survive for more than 2,000 years has been found in the thick concrete walls of a decommissioned nuclear power plant in Japan. The formation of aluminous tobermorite ...
Materials Science
Jan 11, 2021
1
118
Concrete has become our building material of choice for countless structures such as bridges, towers and dams. But it also has a huge environmental footprint mostly due to carbon dioxide emissions from the production of cement—one ...
Materials Science
Jan 11, 2021
0
77
One of Central American's most active volcanos erupted on September 13th, 2012 prompting officials to evacuate 35,000 residents in Guatemala. The Volcan de Fuego, or Fire Volcano, began belching out ash at 10 a.m. local time ...
Earth Sciences
Sep 17, 2012
0
0
High-resolution visible and thermal infrared images captured by a joint NASA-Japanese satellite sensor and compiled by University of Pittsburgh volcanologist Michael Ramsey provide the first clear glimpse of the Icelandic ...
Earth Sciences
Apr 23, 2010
0
0
(PhysOrg.com) -- A researcher at Missouri University of Science and Technology is leading a study to increase the amount of fly ash used in concrete. If successful, the effort could divert millions of tons of the waste product ...
Engineering
Jan 27, 2011
0
0
Scientists at Kaunas University of Technology (KTU), Lithuania are developing methods for producing concrete without cement, using fly ash, an industrial waste product. The final product is as strong as traditional concrete, ...
Engineering
Nov 1, 2018
0
14
Adding limestone powder to "green" concrete mixtures—those containing substantial amounts of fly ash, a byproduct of coal-burning power plants—can significantly improve performance, report researchers from the National ...
Engineering
Sep 4, 2013
0
4
Philippine authorities on Sunday lowered the alert level at Taal Volcano, two weeks after it began spewing ash, steam and rocks, a move that will allow many of the more than 376,000 displaced villagers to return home.
Environment
Jan 26, 2020
0
17
