The Ulaanbaatar City Administration in organising its big annual clean-up tomorrow, 25 April. This year, it comes in the midst

The Mongolian capital Ulaanbaatar will host a mass clean-up event on Saturday (20 April). The so-called ’90 Minutes Clean-Up Day’

Millions of volunteers in 150 countries in mid- September unite to clean up the world in a single day. Ulaanbaatar,