EghtesadOnline: The United Nations Development Program (UNDP), Foreign Ministry, Department of Environment and Forest Range and Watershed Management Organization (FRWO) will execute a joint program in the near future to control particle pollution, UN envoy to Iran said.

EghtesadOnline: Construction of a number of dams in Turkey on the way of Tigris and Euphrates rivers can intensify particle pollution in the region including Iran, said eminent expert of climate change Professor Parviz Kordavani.

EghtesadOnline: Vice President and head of Environmental Protection Organization Massoumeh Ebtekar said on Sunday that 70 percent of particle pollution originate from foreign countries.