Air pollution is a multifaceted problem – representing the world’s leading environmental risk to health and costing the globe an estimated $8.1 trillion in 2019 , 6.1 percent of global gross domestic product (GDP). Air pollution is also deadly, causing or contributing to heart attacks, strokes, lung cancer, and respiratory diseases and killing an estimated seven million people every year – with about 95 percent of these deaths occurring in low- and middle- income countries. COVID-19 is only making matters worse, with research finding links between air pollution and COVID-19 hospitalizations and deaths. Read more...
尽管我们常将气候变化与空气污染视为两个独立的问题，但实际上二者紧密交织。从化石燃料燃烧到某些农业活动，两者的成因大量重叠，且多种污染物同时加剧全球变暖和空气污染。这两场危机还对人类健康、生态系统和经济产生叠加的有害影响。