This approach, authorities regulation, is the obvious answer to some complex environmental issues, especially ones involving international commons just like the oceans or the ambiance. AS THEY PUT ON PLASTIC GLOVES FOR THEIR first litter hunt, the third graders knew what to expect. It was part of their science curriculum at Bridges Elementary, a public college on West seventeenth Street in Manhattan. They had discovered the Three R’s — Reduce, Reuse, Recycle — and mentioned the way to cease their mother and father from utilizing paper plates. For Earth Day they’d learn a Scholastic science publication, “Inside the World of Trash.” For homework, they’d saved rubbish diaries and drawn color-coded charts of their households’ trash. By setting apart 20 minutes each day, you’ll avoid having to spend hours cleansing up in the future.