congestion pricing
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October Research Roundup: Select Papers
In this month’s research roundup, we explore how delayed climate action could trigger abrupt changes in the Arctic; what ancient ocean sediments reveal about carbon storage during the last ice age; how fiber-optic cables are improving earthquake monitoring at geothermal sites; and a new timeline of Earth’s magnetic reversals.
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Study Links NYC Congestion Pricing Policy to Cleaner Air In Lower Manhattan
One year after NYC launched its congestion pricing policy, fine particulate pollution inside Manhattan’s congestion relief zone was 13 percent lower, according to a new analysis.
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Climate School Experts on Congestion Pricing’s First Year
Three Climate School experts weigh in on the success of New York City’s congestion pricing program.
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How Congestion Pricing Will Benefit New York City
Congestion pricing is already delivering results, but what can New Yorkers expect in the months to come?
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Congestion Pricing is Nearly Here
It is indeed ironic that Democratic New Jersey Governor Phil Murphy, Republican Representative Nicole Malliotakis from Staten Island, and Democratic Representative Josh Gottheimer from New Jersey all share intense opposition to congestion pricing south of 60th street in Manhattan.
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It’s Time to Push Congestion Pricing Over the Finish Line
Congestion pricing is close to implementation. All we need is a little political courage to push it across the finish line.
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Congestion Pricing is Stuck in New York’s Political Traffic
The subway system requires new signals, switches, cars, and expanded routes. While congestion pricing can’t pay for all of that, it can help.
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Congestion Pricing is Slowly Coming to New York City
London, Singapore, and Stockholm have all managed to do something that New York City has been unable to do; enact and implement congestion pricing in its central business district.
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Congestion Pricing Again
The idea is to charge more for driving on the most congested streets in the city and direct those funds to making mass transit more efficient and perhaps even pleasant.

COP31, the 2026 United Nations Climate Change Conference, aims to advance dialogue, strengthen consensus, and accelerate climate action on a global scale. From November 9–20, 2026 in Antalya, Türkiye, heads of state, ministers, scientists, business leaders, and civil society will gather to advance efforts in emission targets, climate finance, and adaptation and resilience. Once again, our experts, students, and global thought leaders from Columbia Climate School and across Columbia University are contributing to key events, sharing insights, and helping shape the dialogue toward ambitious, science-based solutions. Learn More
