Switching from coal to natural gas in power plants can reduce how much sulfur dioxide, a gas that smells like a freshly struck match, is emitted into the atmosphere and ultimately how much sulfate pollution enters waterways, ...
Environment
Dec 13, 2021
0
11
It's a tempting thought: With climate change so difficult to manage and nations unwilling to take decisive action, what if we could mitigate its effects by setting up a kind of chemical umbrella—a layer of sulfuric acid ...
Other
Nov 22, 2021
3
283
An erupting volcano on a Spanish island off northwest Africa blew open two more fissures on its cone Friday that belched forth lava, with authorities reporting "intense" activity in the area.
Environment
Oct 2, 2021
0
48
An erupting volcano on a Spanish island off northwest Africa blew open another fissure on its hillside Friday as authorities recorded eight new earthquakes up to magnitude 3.5.
Environment
Oct 1, 2021
0
59
The U.N. weather agency says the world—and especially urban areas—experienced a brief, sharp drop in emissions of air pollutants last year amid lockdown measures and related travel restrictions put in place over the coronavirus ...
Environment
Sep 3, 2021
0
25
When Prime Minister Justin Trudeau met with Swedish environmental activist Greta Thunberg in Montréal two years ago, he promised to plant two billion trees by 2030 to help Canada meet its net-zero emissions goal.
Environment
Aug 26, 2021
0
11
When Kīlauea Volcano erupted in 2018, lava covered parts of the Island of Hawaii, but a volcanic smog, known as "vog," inundated it. The vog contained dangerous levels of fine particulate matter and sulfur dioxide gas, which ...
Earth Sciences
Aug 24, 2021
0
405
Despite their extremely small size, submicron atmospheric aerosols are critical pollutants with climate change, air quality, and human health implications. Of these particles, secondary organic aerosols (SOA) form when volatile ...
Environment
May 7, 2021
2
36
The air in the United States and Western Europe is much cleaner than even a decade ago. Low-sulfur oil standards and regulations on power plants have successfully cut sulfate concentrations in the air, reducing the fine particulate ...
Earth Sciences
May 6, 2021
0
39
Copper remains one of the single most ubiquitous metals in everyday life. As a conductor of heat and electricity, it is utilized in wires, roofing and plumbing, as well as a catalyst for petrochemical plants, solar and electrical ...
Materials Science
Apr 24, 2021
5
1848
