Up until last year, the tiny country of Estonia’s natural beauty was marred by tens of thousands of tons of household and construction waste littering their forests, meadows, and streams. It was a big problem.

A grassroots [1] campaign of 50,000 volunteers cleaned up 10,000 tons of trash—in less than a day.

This video tells the inspiring story of how a small group turned one man’s dream into a national movement, endorsed by celebrities and politicians, and coordinated through high-tech twenty-first century technology. The campaign was called “Let’s Do It!” and it’s pretty inspirational stuff.