Waste Management, the nation’s biggest recycler, is spending $1.4 billion to become more efficient. How it could pay off.

Despite some modest progress over the past two decades, Canada's waste diversion efforts remain wanting: according to the Canadian government, only 27% of the country's waste is recycled, composted, ...

“Here we have a man whose job it is to gather the day’s refuse in the capital,” wrote Charles Baudelaire, invoking the ragpicker, a new type on the streets of his native nineteenth-century Paris.

Food waste is being transformed into clean-burning jet fuel that meets aviation standards, offering a new way to cut methane ...