More Travel & Transportation Tips
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133 Places Rated
Our sixth annual geotourism survey rates 133 travel destinations for sustainability, authenticity, and experience.
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Geotourism
Learn about a new way of travel that combines the pleasure of tourism with the preservation of our world's distinctive places.
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Intelligent Travel
Fresh, fun, and consistently award-winning. This is your brain on travel.
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Chicago: America's Green City
A breath of clean air revitalizes a Midwestern metropolis.
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Photos: Electric Cars Hit the Road
The Chevy Volt and Nissan Leaf, both launching into production, lead an array of electric cars into a market that analysts see as eager for an alternative to oil-fueled transport.
Environment Photos
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Sustainable Earth
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5 Hot Green Jobs
Companies go beyond the hype to offer actual positions.
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Water for a Thirsty World
Safeguarding one of the world's most important resources.
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Sustainable Cities
Challenges and opportunities for sustainable development.
The Great Energy Challenge
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Light Bulb Savings Calculator
How much can you save yourself, and the world, by switching to more efficient bulbs?
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The Global Electricity Mix
An interactive view of how regions and countries around the world generate their power.
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Quiz: What You Don't Know About Nature's Forces of Energy
You've seen the havoc that nature can wreak, but have you ever considered how much energy is generated by hurricanes, volcanoes, or lightning?
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The World's Water
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Water for a Thirsty World
Safeguarding one of the world's most important resources.
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Visualizing Our Global Water Footprint
You might be surprised to see how the daily choices you make affect critical watersheds around the world.
