♦ According to the USA's Climate Trace organization, Shanghai tops the list of most polluting cities in the world.

♦ It emits 256 million metric tons of greenhouse gases. Tokyo (250 million metric tons), New York (160 million metric tons), and Houston (250 million metric tons) is ranked 2nd, 3rd, and 4th respectively. The data was compiled by using advanced observations and artificial intelligence.

♦ China, India, Iran, Indonesia and Russia had the biggest increases in emissions from 2022 to 2023, while Venezuela, Japan, Germany, the United Kingdom and the United States had the biggest decreases in pollution.

♦ Earth’s total greenhouse gas emissions rose to 61.2 billion metric tons in 2023, a 0.7% increase from the previous year.