Quizzes

The U.S. recycling system uses a “single-stream” model that focuses on the big blue curbside...

Quick, what are the key goals for reducing human impacts on the planet’s environment? Earth...

Do you know the steps for recycling these common household and automotive products? Test your...

We recently reported on changes in plastic recycling that signal a crisis has arrived. In...

Everyday activities — like driving, choosing clothes and food at the store, or barbecuing in...

The U.N. Intergovernmental Panel on Climate Change’s sixth report on the state of the global...

Organic waste, from food scraps to yard trimmings, can be composted. While it can be...

Daily, you make decisions that influence humanity’s impact on the Earth’s environment. Those choices may...