News
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 true during the pandemic’s first months, when schools closed, offices went remote, and statewide shelter-in-place orders kept millions of Californians at home. That spring, clogged freeways went vacant. Fewer semis rattled down roads.