5 Least Green Cities in the US

2. Los Angeles, California

Carbon Dioxide Emissions (2021): 324 million metric tons 

Transportation is one of the biggest sources of emissions in Los Angeles. The city has witnessed a tremendous decrease in its emissions over the past few years, however, it requires more effort to reach its target. It aims to reach a 73% reduction in greenhouse gas emissions by 2035, compared to 1990 levels.