Amid pandemic, air quality remains critical environmental challenge
In 2020, the first year of the COVID-19 pandemic, California's greenhouse gas emissions dropped by almost 9%, and the state's smoggy skies briefly cleared. This was particularly tr…
In 2020, the first year of the COVID-19 pandemic, California's greenhouse gas emissions dropped by almost 9%, and the state's smoggy skies briefly cleared. This was particularly tr…