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SAN FRANCISCO — How can policymakers, entrepreneurs and technologists fight climate change in the face of political headwinds? Gov. Jerry Brown of California is likely to address that question on Wednesday when he headlines ClimateTECH, a new conference from The New York Times, in a conversation with the Times columnist Thomas L. Friedman.

On Thursday, Mayor Rahm Emanuel of Chicago, the billionaire environmental activist Tom Steyer, and the executive director of Project Drawdown, Paul Hawken, will continue the conversation, leading a lineup of policymakers and technology leaders to discuss solutions to global warming.

When and where: Governor Brown will speak at 7:40 p.m. Pacific time (10:40 p.m. Eastern time) at the City View at Metreon in San Francisco.