FILE PHOTO: A man walks past a pollution pod designed

FILE PHOTO: A man walks past a pollution pod designed to mimic the air quality in New Delhi, during the United Nations Climate Change Conference (COP28), in Dubai

FILE PHOTO: A man walks past a pollution pod designed to mimic the air quality in New Delhi, during the United Nations Climate Change Conference (COP28), in Dubai, United Arab Emirates, December 4, 2023. REUTERS/Thaier Al-Sudani/File Photo