Climate Change 8 hours ago Free electric heat pump water heaters for SF residents San Francisco’s Climate Equity Hub is helping its most vulnerable residents transition to clean energy by providing free installation of electric heat pump water heaters to those who qualify. US & World Videos 3:09 Breaking down the greenhouse effect 1:59 Climate tech conference gets underway in Silicon Valley 3:20 What's in store for the Bay Area this winter 3:09 Push to roll out safer, electric school buses 3:13 Climate change's impact on fall foliage