The late Wangari Maathai kickstarted the Mottainai movement in 2005, a year after she became the first African woman to win the Nobel Peace Prize on account of her political and environmental activism. The Japan-based campaign encourages environmental conservation and sustainable use of resources through a variety of means, ranging from custom vending machines to events like this weekend flea market around Tokyo.
There's often a variety of booths propagating the Mottainai message – reduce, reuse, recycle, respect – along with flea market stalls selling clothing, tableware, DVDs, toys, books and other cheap bargains.
Depending on the weekend, the market is set up at different locations including Nakano Central Park, Komazawa Olympic Park and the rooftop of Parco Kichijoji. The dates, times and venues are listed below.