San Diego Ranked ‘Greenest’ City in the U.S. Thanks to Clean Energy, Environment Policies

San Diego was ranked the “greenest” city in the United States, thanks largely to clean energy sources and environmentally friendly policies, in a new study by WalletHub.

The Miami-based personal finance website compared the 100 largest cities using 28 indicators ranging from greenhouse-gas emissions per capita, green job opportunities and public transit to organic farms, bike lanes and air quality.