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deconstruction structure salvage reuse
Credit: Mobilus In Mobili/Flickr

To keep building materials out of landfills, cities are embracing 'deconstruction'

From Portland to San Antonio, cities have begun to mandate that old buildings be taken apart instead of demolished. How do these ordinances work?
Recycling startup Ridwell makes household recycling easier

Recycling startup Ridwell makes household recycling easier

The Seattle startup Ridwell is building a business around collecting all the old batteries, clamshell containers and lightbulbs that most recycling programs leave behind.
RoadRunner Recycling, a startup using AI to optimize recycling routes, raises $28 million
www.post-gazette.com

RoadRunner Recycling, a startup using AI to optimize recycling routes, raises $28 million

A Pittsburgh startup that uses machine learning and artificial intelligence to help businesses, schools and factories improve their recycling operations has raised more than $28 million to double its team and expand into new markets.

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