Smilde’s ongoing project, called “Nimbus,” explores the visual effects of clouds ... The ingredients for Smilde’s clouds: just smoke and water vapor. He requires a cold and damp space ...

As thick clouds of smoke rolled across Los Angeles in early January, Allison Shultz opened a freezer and took out a stash of ...

As thick clouds of smoke rolled across Los Angeles in early ... about how cumulative pollution affects these animals, and what effects a catastrophe such as this year’s fires will have.