Download or read book Getting Down to Earth written by World Bank and published by World Bank Publications. This book was released on 2022-01-14 with total page 195 pages. Available in PDF, EPUB and Kindle. Book excerpt: Outdoor air pollution accounts for an estimated 4.2 million deaths worldwide, caused predominantly by exposure to fine aerosols. This report investigates the performance of satellites for predicting outdoor concentrations of PM2.5, the most harmful air pollutant to human health, in low- and middle-income countries.