Original sentence: As the Caspian Sea is an inland sea with no direct link to the oceans, Uzbekistan is one of only two "doubly landlocked" countries -- countries completely surrounded by other landlocked countries.Regional experts assert that salt and dust storms from the Aral Sea have raised the level of particulate matter in the earth's atmosphere by more than 5%, seriously affecting global climate change
Edited sentence: As the Caspian Sea is an inland sea with no direct link to the oceans, Uzbekistan is one of only two "doubly landlocked" countries—countries completely surrounded by other landlocked countries.Regional experts assert that salt and dust storms from the Aral Sea have raised the level of particulate matter in the Earth's atmosphere by more than 5%, seriously affecting global climate change