Organized together with NICE (Never-ending International workCamps Exchange) and supported by Greening Asia fund since 2002. The forest problem is serious also in Mongolia. Before 1990, the forests covered 10% of the land, but 7% today. It's caused by cutting trees without any control, forest fire, and global warming. Another side takes a long time to grow trees in Mongolia and May and the middle of October is the only season to plant trees in Mongolia.