Around the world, other communities are experimenting with ideas that Los Angeles could borrow as it rebuilds from disastrous wildfires.

Most major economies are investing in ever-cheaper solar and wind power. The United States risks further ceding a global market to China.

A Times climate reporter reflects on a city, its mythology and a reckoning with disaster.

A handful of oil-producing nations ensured that a United Nations General Assembly resolution on climate change steered clear of a call to transition away from fossil fuels.

© Peter Dejong/Associated Press

Cows and pigs produce a large share of planet-warming methane. A new tax is part of a plan to clean that up.

© Charlotte de la Fuente for The New York Times