LAREDO, Tex.

(KGNS) - The Rio Grande International Study Center (RGISC) is inviting the public to join its Binational Air Council, a community-based initiative focused on tracking and reducing fine particulate matter pollution in the border region.

The council, known as BAC, centers on PM 2. 5 - particulate matter measuring 2. 5 microns, described as 30 times thinner than a human hair strand.