Air pollution

California won't buy from automakers who side with Trump on emissions

Traffic backs up at the San Francisco-Oakland Bay Bridge toll plaza along Interstate 80 on July 25
Traffic backs up at the San Francisco-Oakland Bay Bridge toll plaza along Interstate 80 in July. Photo: Justin Sullivan/Getty Images

California confirmed Monday that it won't buy new government vehicles from automakers who backed President Trump in his carbon emissions war with the state, the New York Times reports. GM, Fiat Chrysler and Toyota are among those set to be affected by the move.

Driving the news: The three big automakers and others announced in October that they were joining the Trump administration's side in litigation over its move to stop California from imposing emissions rules and, by proxy, mileage requirements that are tougher than federal standards, per Axios' Ben Geman.

Green rooftops surge in popularity and offer environmental benefits

A green rooftop filled with plants.
Photo: Xavier TESTELIN/Gamma-Rapho via Getty Images

Green rooftops are growing in popularity, offering a slew of environmental benefits, the New York Times reports.

The big picture: The rooftops on apartments or commercial buildings often feature lawn areas, grills and seating. Some host community gardens, blossoming vegetables and herbs. But the greenery, and corresponding absence of asphalt and shingles, doesn't just up the aesthetic, it lowers surrounding temperatures, reduces energy use and assists in filtering storm water.