Digging through trash to get to zero waste
Colorado State University's waste audit aims to reduce recyclables and compost in trash bins.
Recycling
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Denver urges residents to recycle more
Read MoreDepartment of Solid Waste continues efforts to boost 14-percent recycling rate, a figure that is three-times higher than the rate 10 years ago.
Where the Roof Meets the Road
Read MoreA new shingle recycling plant in Denver will turn old asphalt roofing into material for road paving.