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Reuters Poor design and over-development have put our burgeoning urban centers at serious risk.
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Meet Dhaka, the World's Densest Metro Area
The capital of Bangladesh is spinning into an asphalt crisis.
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Pakistan's Looming Water Crisis
Water access and infrastructure concerns will only heighten as the country shifts toward an urban majority.
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What Mars Can Teach Us About Climate Change
Curiousity will offer critical insights into how the climate of Mars has changed over billions of years, lashed by solar winds.
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Trees vs. Power Lines: Will We Have to Choose?
The debate over how to secure our nation's power grids comes courtesy of yet another climate change-related feedback loop.
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High Density Sprawl Is Still Sprawl
Don't be fooled - sprawl is about much more than the number of homes per acre.
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Videos
Updating the American Dream
An interview with innovative architect Peter Calthorpe.
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Photos
Greenland Might Not Be Melting As Fast As We Thought
A new study in Science suggests the ice sheet may be able to slow its melting rate.
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The Failure of Walmart's Sustainability Measures
The retail giant's push has generated a lot of publicity, but it's not fixing the fundamental problems.
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Are Co-Ops the Future of Green Energy?
English community takes collective ownership of solar farm.
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Maps
The Secrets Frackers Are Allowed to Keep
How much do you know about natural gas drilling? Turns out, it depends a lot on what state you live in.
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Urban Wonk
The Case for More Urban Trees
In many areas, trees are under siege. But our cities need them, for all sorts of reasons.
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Videos
Why Urbanites Make the Best Use of Environmental Resources
The head of the environmental program at Bloomberg Philanthropies makes the case in this compelling video.
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With Big California Water Project, Governor Wants to 'Get Shit Done'
Jerry Brown is taking a blunt approach to a controversial water plan.
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How to Protect Lake Tahoe (and Places Like It)
Rules for protecting the resources we love.
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Videos
This English Town Could Cut Your Carbon Emissions By Half
Smart design will reduce heat energy use, electricity use and water consumption.
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New Research Finds Urban Form Plays Little Role in Sustainability
The compactness of cities may not be a determining factor when it comes to energy use.
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Urban Wonk
A New Model for Green Schools
A school in Portland, Oregon, is housed in a super-green building. And that's just the beginning.
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Urban Wonk
How Sprawl Makes Droughts Worse
No, it doesn't cause water shortage. But sprawl can exacerbate some of its impacts, in at least two ways.
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Could Genetically Mutated Mushrooms Solve India's Energy Crisis?
Also, might irradiated zucchini plants alleviate global warming?
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Charts
The Case for Public Transportation, in Infographic Form
A new chart details what we save when we take the train or bus.
