Holcim, Inc. has agreed to limit the amount of slag it uses from Asarco's idled East Helena plant — and will not use any more slag from a Canadian smelter — after tests from the state showed "a slew" ...

Get any of our free daily email newsletters — news headlines, opinion, e-edition, obituaries and more. I am writing in response to a story published April 5 about the use of slag by Holcim's cement ...

Get any of our free daily email newsletters — news headlines, opinion, e-edition, obituaries and more. Holcim Inc. has agreed to stop using slag waste from Canada at its Trident cement plant and to ...

The National Academies of Sciences, Engineering, and Medicine are private, nonprofit institutions that provide expert advice on some of the most pressing challenges facing the nation and world. Our ...

Please Note: Blog posts are not selected, edited or screened by Seeking Alpha editors. Archimedean Screw Conveyors are an essential part of many conveying and storage systems. Being simple and robust ...

Recycled steel mill slag used as base material for a new airport runway is polluting a nearby stream, according to the Ohio EPA and the City of Cleveland. A report in the Cleveland Plain Dealer says ...

Lawmakers and advocates are looking to offset greenhouse gas emissions from one of the world’s most consumed materials second only to water — concrete. The building material’s main binding ingredient, ...