Topic: carbon emissions
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A Vision of a Carbon-Zero Urban Future: An Interview with Alex Steffen
How the world's wealthiest cities can beat back climate change.
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Urban Wonk
Can We Please Stop Pretending Cars Are Greener Than Transit?
Freakonomics revives a tried, and tired, debate.
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Charts
The Future of Mapping Carbon Emissions, With Pinpoint Precision
A new modeling system called "Hestia" traces greenhouse gases to individual urban buildings and roads.
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The Municipal Revenue Problem Behind China's Smoggy Cities
A new report from the World Bank argues that a better financing system is needed to reduce emissions in China.
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Just a Fraction More White Roofs Could Have a Huge Global Impact
Small improvements in roof and road reflectivity are estimated to help create big reductions in carbon emissions.
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How Green Is High-Speed Rail?
Experts say America's bullet trains will need to carry 10 million passengers to offset the environmental impact of construction
