Redwood Materials' new smart recycling bins can detect, sort and pack old batteries and gadgets with minimal human ...

A company in eastern China is using an artificial intelligence-powered machine to sort clothes and boost recycling.

Tucson will keep its curbside recycling pickup at every other week, making the move more than four months after launching a pilot program to account for rising costs amid a change in the global ...

PHOENIX — A bill that would render the Tucson Unified School District's Ethnic Studies program illegal was approved by a Senate panel Monday, but not before a heated philosophical debate about the ...