calm ocean colored orange at sunset

Our oceans serve as a buffer to global warming by absorbing much of the heat that the vanishing polar ice doesn’t reflect back into space. Studies released in January 2019 suggest that earlier estimates of ocean warming were understated. In this quiz, test your knowledge of facts related to ocean warming.


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.

By Earth911

We’re serious about helping our readers, consumers and businesses alike, reduce their waste footprint every day, providing quality information and discovering new ways of being even more sustainable.