Acid rain, containing sulfur emitted by industry, used to be farmers’ main source of sulfur—and it was free. But the Clean Air Act of 1972 has drastically reduced the amount of acid rain ...

In less environmentally aware times, and when there were other, cheaper sources of sulfur, the sulfur-laden flue gases were just vented off, leading to a series of reactions in the atmosphere that ...

International Paper, the owner of the Bogalusa mill, also agreed to operational and inspection changes, employee training and ...

of sulfate per acre. Sulfur is demanding more attention these days because the amount provided free of charge—in acid rain and other sources—is becoming less, Ferrie notes. At the same time ...

"We first analyzed the sulfur fingerprint of the rocks within the crater region that were the source of sulfate aerosols released into the atmosphere. These sulfate aerosols distributed globally ...

German sulfur battery startup theion said on Thursday it has raised 15 million euros ($16.4 million) from investors to scale up battery cells it says store more energy but cost much less than ...

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic ... Then, in 2020, new international regulations cut ships’ sulfur emissions by 77%. Our newly ...

Elucidating the photosynthetic mechanism of purple sulfur bacteria living in high-salt, high-alkaline environments Date: February 25, 2025 Source: University of Tsukuba Summary: Researchers have ...

Then, in 2020, new international regulations cut ships' sulfur emissions by 77% ... Some are kicked up by wind or produced from biological sources, such as tropical and boreal forests.