Challenge your knowledge about hydrofluorocarbons, which replaced chlorofluorocarbons in many aerosol products after the Montreal Protocol in this Earth911 Quiz.
If this quiz raises questions or presents ideas you’d like to talk about, start a conversation with the community in the Earth911.com Forum.
Making smart sustainable choices requires practice. Earth911’s weekly sustainability quiz helps you hone your ability to recognize earth-friendly products and services. Through your daily choices — from transportation mode to purchases to waste disposal — you can make a positive difference.
Editor’s note: This quiz was originally published on October 17, 2019.