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Volcanic ash from Japan to bring clean drinking water to Indian children
MONDAY, OCTOBER 03, 2022
Southern Kyushu is covered in a soil called “shirasu”, which is composed of fragile volcanic ash that often gives way to landslides. Taking advantage of the characteristics of shirasu — specifically, its high water permeability — Halvo Holdings Co has developed a coagulant to improve water quality that it will use to help ensure a clean water supply in India.
Supreme Court rejects Trump administration's view on key aspect of Clean Water Act
FRIDAY, APRIL 24, 2020
WASHINGTON - The Supreme Court on Thursday rejected the Trump administration's reading of a key part of the Clean Water Act as creating an "obvious loophole" in its enforcement, and gave a partial win to environmentalists in a case from Hawaii.