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New financial incentives are available for homeowners who want to replace water-hungry lawns with more efficient landscaping, the San Diego County Water Authority announced Wednesday.

They're swarming in gargantuan numbers in parts of Africa and South Asia — and posing a major threat to food supply. If you have questions about these insects, we have answers.

Four years of too little water is killing millions of trees in the Sierra, yet some giant sequoias still thrive. Tree-climbing scientists are exploring sequoias branch by branch to find their secret.

San Diego County will have enough water for 2019 in spite of low rainfall and high temperatures over the past year, the San Diego County Water Authority announced Monday.

California will deliver more water this year than it has for each of the last three, as spring storms have nearly filled the state's major reservoirs.

"We believe that sustainability should be our new standard for investing," BlackRock CEO Larry Fink says. The investment giant's move puts pressure on companies to reduce reliance on fossil fuels.

Rep. Chip Roy objected to a procedural vote on a bipartisan $19.1 billion disaster aid bill, forcing Congress to wait until June to finish work on the legislation.

Wednesday, Dec. 21, 2022 at 10 p.m. on KPBS TV + Sunday, Dec. 25 at 10 p.m. on KPBS 2 / On demand now with the PBS Video app. Explore the life of 1970 Nobel Peace Prize winner Norman Borlaug, who tried to solve world hunger. He rescued India from a severe famine and led the "Green Revolution," estimated to have saved one billion lives. But his work later faced criticism.

Some of the reasons for the surge are expected — heavy rainfalls create lots of pools where mosquitoes can breed. But there are some surprising factors, like the Zika virus.

Last month, poet Kwame Alexander asked you to write a poem inspired by two paintings of women looking out of a window. Many of you found a way to express life during the coronavirus pandemic.