Portugal shows off in March, flirting with 100% renewable energy goal
April 10, 2018, 12:48 p.m. by Noel Kirkpatrick
Portugal predicts that renewables will satisfy its mainland electricity needs by 2040.
Dam goats scale dam rocks in search of salt
May 10, 2016, 4:55 p.m. by Shea Gunther
Mountain goats have no problem applying their gravity defying climbing skills to manmade structures like hydro-electric dams if it means finding a good salt lick.
Water hole in Portugal looks like a gateway to a fantasy world
April 13, 2016, 3:09 a.m. by Bryan Nelson
Portugal's Covão do Conchos is a national treasure that looks like the mythical monster Charybdis come to life.
Are the Mekong River dams double-edged swords?
May 13, 2015, 8:12 a.m. by Josh Lew
The dams provide hydroelectric power and jobs, but they also have many distressing consequences.
5 innovative hydroelectric power ideas
June 4, 2014, 4:11 p.m. by Sami Grover
Hydroelectric power has not received the attention that solar and wind enjoy, but that could be changing.
Renewables outpacing natural gas, IEA says
June 27, 2013, 1:45 p.m. by Russell McLendon
Renewable energy will surpass natural gas as the planet's No. 2 electricity source by 2016, according to a new report from the International Energy Agency.
The Node Pole: Green data centers in Sweden
March 29, 2013, 12:36 p.m. by Melissa Hincha-Ownby
Northern Sweden is the ideal location for major data centers – it's got renewable energy and plenty of cold air.
6 surprising sources of methane
September 24, 2012, 11:12 a.m. by John Platt
From hydroelectric dams to rice fields, methane comes from some unexpected places.
Future computers could run on water droplets instead of electricity
September 7, 2012, 5:42 p.m. by InnovationNewsDaily
Finnish scientists are studying the possibility of turning water droplets into digital bits and using them to power computers instead of electricity.
Sparks fly in debate about Brazil's energy crossroads
June 19, 2012, 10:11 a.m. by Karl Burkart
New report shows Brazil has an abundant array of available energy resources. So why is it choosing the costliest and most destructive source of all -- hydropower? A dispatch from Rio+20.
When a dam's age leads to damage
November 10, 2011, 4:41 p.m. by Science Nation
Time can be rough on a dam: as it ages, repairs are more costly and it risks catastrophic breakage. But removing one can also be a major eco-hazard.
Bacteria: Energy producers of the future?
August 23, 2011, 12:02 p.m. by Science Nation
Video: When we use water, much of it must undergo energy-intensive cleaning at a treatment plant before flowing back to the environment. Microbial fuel cells may make this process cleaner by harnessing the power of bacteria.
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7 things you never knew about dragonflies
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Is it OK to toss an apple core or banana peel outside?
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Woman reunited with dog lost 12 years ago
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Parallel worlds exist and interact with our world, say physicists
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It's not just sadness that can lead to a broken heart
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12 things you may not know about Otzi the Iceman
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Your 2019 fall foliage guide
Now you know the best time to be a 'leaf peeper' in any part of the U.S.
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Why do leaves change color in autumn?
Learn about the natural mechanisms that produce breathtaking fall foliage each year.
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Test your fall knowledge
The days are getting shorter and pumpkin spice seems to be everywhere: It must be fall.
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10 best places outside the U.S. for fall color
These places around the world that equal U.S. locales when it comes to colorful scenery.
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5 classic fall recipes
Roasted veggies and soups of all kinds are what we're talking about.
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