The acids in acid rain are the only reason that forms urban smog alone.

The acids in acid rain are corrosive chemicals that leach nutrients from the soils, slow the growth of trees, poison lakes and combine with other chemicals to form urban smog. The simplest way to curtail acid rain is to use less energy from fossil fuels.

The United Nations is hoping for a resolution to the last hot spot in the Balkens -- Kosovo. On Friday, UN special envoy, Martie Artie Sari presented a proposal on the future status of the province to a group of concerned nations, called the contact group.