Urbanization16
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Cities Face Up to the Climate Challenge
Millions of people living in cities around the world already feel the impacts of climate change: Heat waves, flooded streets, landslides and storms. All of these affect important infrastructure such as transportation and water supplies, ports and commerce, public health and people’s daily lives. And it is cities that are at the forefront of the…
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The Changing Face of Air Quality
Looking at regional differences in PM2.5 concentrations gives us a sense of the changing face of air quality throughout the world.
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Map & App Help People Track Transit in Nairobi
Commuters and others traveling in and around Nairobi often rely on an unofficial network of minibuses and minivans, called matatus, that have no centrally controlled schedules, fares or route plans. But a new application developed for use on cellphones with Google Maps can now help them find their way.
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A Sustainable City Would Continue to Keep Cars Out of Times Square
The trade-off between regulating public behavior and free speech can be difficult, but must be taken on if we are to have public space in sustainable cities. Since we need more of these public spaces rather than fewer spaces, the behavior in Times Square is a challenge of governance that must be taken on by…
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The Big City, Subdivided for Sustainability
Two-thirds of people on the planet will live in cities by 2050. But few cities are prepared for this population boom. An upcoming research project will explore new, localized models for urban infrastructure to make cities cleaner, healthier and more enjoyable places to live.
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Removing Toxic Electronics From NYC’s Waste
We need to develop the public policies and standard operating procedures to make certain that discarded electronics are either recycled or carefully discarded. This requires that we abandon the idea that “out of sight is out of mind.”
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Anthropocene and Its Victims: Migration as Failure or Adaptive Strategy?
Gemenne argues that climate change is a form of political persecution, that victims of the anthropocene are also victims of political persecution, thus, we should reinstate the term “climate refugee.”
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From the Nile to the Sundarbans: the Undergraduate Capstones
This spring, students in the Undergraduate Program in Sustainable Development presented innovative solutions to sustainability issues as part of their Capstone Workshop. Their clients ranged from the United States Military Academy at West Point to the Sabin Center for Climate Change Law.
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A Carbon Tax Is Not Feasible or Practical
The idea behind the carbon tax is that by raising the price of fossil fuels, one promotes energy efficiency and, as fossil fuels become more expensive, renewable energy technologies will become more competitive. I am certain this is true. But few elected officials are going to advocate higher fossil fuel prices.
AGU25, the premier Earth and space science conference, takes place December 15-19, 2025 in New Orleans, Louisiana. This year’s theme—Where Science Connects Us—puts in focus how science depends on connection, from the lab to the field to the ballot box. Once again, Lamont-Doherty Earth Observatory and Columbia Climate School scientists, experts, students, and educators are playing an active role, sharing our research and helping shape the future of our planet. #AGU25 Learn More
