I just watched a fascinating PBS video on how much plastic is in the ocean. Counting down to this year’s Earth Day on April 22nd, the video got me thinking about how teachers can help students become responsible consumers as well as future caretakers of our earth! Take plastic waste, for instance. Do you realize that plastics are one of the worst pollutants in our world today? From poisoning and injuring marine life to disrupting human hormones, from littering our beaches and landscapes to clogging our waste streams and landfills, the exponential growth of plastics is now threatening the very survival of our planet! In response, this year’s Earth Day is devoted to educating people about the problem of plastic pollution! As teachers, we can use this opportunity to inspire student interest in this problem and hopefully effect fundamental changes in human attitudes and behaviors about plastics! Where to begin? I suggest you check out the main site about Earth Day: Earth Day Netw...