The initiative also plants trees in urban areas to help combat air pollution, and it recently finished recycling 2 million ...

Learn about the science of sewer odors, including detection techniques and control solutions such as chemical injection, ...

Officials say the January-launched system is in a transition phase, with notices likely if violations such as illegal dumping ...

As you walk around downtown St. Paul, you might notice recent updates to a sidewalk staple. The trash cans have gone solar.

Deep inside a facility in Chandigarh, a breakthrough in chemical recycling is unfolding. There is a unique process that ...