About 11 million tonnes of plastic reaches the ocean every single year–that’s equivalent to dumping one garbage truck of plastic into the ocean every minute of every day for an entire year! Sperry is working to reduce this number by collecting plastic bottles and turning them into high-quality threads to be turned into shoes.

Our staff picked some of the most environmentally-friendly episodes.

You’ve heard of buildings being torn down to build parking garages, but what about parking garages being upgraded to help make buildings more sustainable? The Tomorrow’s World Today team visited Cadillac Fairview in Canada to explore how renewable resources can make a building greener.