WSJ reports:

It’s mooncake season again in China—that time of year that leaves stomachs, landfills and environmentalists groaning. Last year, in Hong Kong alone, residents threw out nearly two million moon cakes, according to a survey conducted by local environmental group Green Power, and similar figures are likely this year.

Read more: http://blogs.wsj.com/chinarealtime/2013/09/10/green-groups-fight-mooncake-deluge/