Cambridge Electric Cement uses cement paste from recycled concrete to replace the lime flux used in scrap steel recycling. Its slag can replace the clinker in portland cement. 

Local Law 97 will add greenhouse gas emission limits for most New York City buildings larger than 25,000 sq ft starting in 2024.

Stakeholders differ on whether the US Transportation Dept. has congressional authority to enact a rule unrelated to its mission.

Manhattan office project aims to beat city’s 2030 carbon emission targets by 46% and meet its 2050 carbon-neutral goals.

Proposed stringent emission-reduction targets through 2030 in the nation’s only interstate cap-and-trade program will continue the already well-established market shift toward renewable and efficient power-generation construction projects, industry analysts say.