Science Energy

Renewable Energy

Find out how solar, wind, biomass, hydroelectric, and geothermal power are harnessed to produce renewable energy.

Water boiler with solar panels on roof of house

Renewable Energy

Solar Water Heaters: What You Should Know

Renewable Energy

Are Solar Panels Recyclable?

Renewable Energy

Are “Free Solar Panels” Really Free?

Renewable Energy
How Long Do Solar Panels Last?
Renewable Energy
What Are Solar Panels Made Of?
Renewable Energy
Are Solar Panels Worth It?
Renewable Energy
The Pros and Cons of Solar Energy
Renewable Energy
Is Solar Energy Renewable?
Renewable Energy
What Is Community Solar?
Business & Policy
Nonprofits Are Going Solar With Recoverable Grants
Renewable Energy
Everything You Need to Know About Net Metering
Renewable Energy
How Do Solar Panels Work?
Science
Hydrogen and Carbon Capture Together at Last
Treehugger Voices
Sunamp Heat Batteries Can Help Electrify Everything
Science
How Rooftop Solar Benefits Your Neighbors
Treehugger Voices
World’s Largest Solar Project Might Change How We Think About Power
Renewable Energy
Geothermal Energy Pros and Cons
Renewable Energy
What Is Geothermal Energy?
Renewable Energy
What Is Wind Energy? Definition and How It Works
Renewable Energy
The Best Solar Lanterns for Camping and Emergencies
Renewable Energy
Wind Energy Pros and Cons
Renewable Energy
The 5 Best Solar-Powered Generators of 2021
Renewable Energy
Is a Home Wind Turbine Right for You?
Renewable Energy
What Are Solar Ovens – and Why Are They Heating Up?
Renewable Energy
Bladeless Wind Turbine Could Be 2X as Efficient as Conventional Designs
Aviation
No Fossil Fuels Are Burned to Run This Jet Engine
Renewable Energy
How Much CO2 Does One Solar Panel Create?
Renewable Energy
What Is a Solar Tower and How Does It Work?
Science
Rural Community That Lost Two Coal Mines Is Now Teaching Kids to Install Solar Panels
Garden
Solar Panels Pair Surprisingly Well With Tomatoes, Peppers and Pollinators
Renewable Energy
This Solar Hydropanel Can Pull 10 Liters of Drinking Water Per Day Out of the Air
Science
Jimmy Carter's Solar Farm Now Powers More Than Half of His Hometown
Energy
The Energy Payback for a 2-Megawatt Wind Turbine That Lasts Over 20 Years Is... 5-8 Months
Renewable Energy
Why Choosing Solar Panels or a Hybrid Car Has More Impact Than You Think
Green Design
Portable Woodstove Folds Down, Heats Up Tents, Yurts & Tiny Homes
Energy
Almost Half of Denmark's Electricity in 2019 Came From Wind Power
Renewable Energy
Tesla Introduces Solar Roof, Version 3, and Just in Time
Environment
Swedish Company Is Building Wind Turbine Towers Out of Timber
Science
Can We Make Steel Without CO2 Emissions Using Renewable Hydrogen?
Green Design
Put a Power Plant in Your Living Room
Renewable Energy
Super-Yacht Is Powered by Liquid Hydrogen. How "Eco" Is That?
Environment
French Solar Roadway Declared "A Complete Flop"
Business & Policy
Smart Money Should Be Investing in Renewables, Not Fossil Fuels
Renewable Energy
The Power Is Coming Back on in Australian Communities Thanks to Solar-Powered Minigrids
Science
Scotland Produced Enough Wind Energy for Double Its Homes in Last 6 Months
Renewable Energy
Costa Rica Poised to Become World's First Fossil Fuel-Free Country
Renewable Energy
Washington, D.C., to Run Entirely on Renewable Energy by 2032
Renewable Energy
Puerto Rico Plots Out Total Switch to Green Energy by 2050
Renewable Energy
This Compact Wind Turbine Is Perfect for Blustery Cities
Renewable Energy
How to Build a Solar Powered E-Bike Charging Shed in Sunny Eugene, Oregon
Renewable Energy
7 Awesome Solar Boats You Must See
Renewable Energy
These 10 Cities Are Embracing 100% Renewable Energy
Energy
What Is Green Energy?
Renewable Energy
Is Elon Musk's SolarCity Circling the Drain?
Renewable Energy
18 Amazing Wind Farm Photos
Renewable Energy
Scientists Turn Stinky Durian Waste Into Energy Storage
Science
Community Solar-Plus-Storage Goes Big in Massachusetts
Renewable Energy
How Many Solar Panels Does It Take to Fill Up a Hydrogen Car?
Science
By 2030, 1/3 of UK Energy Will Come From Offshore Wind
Garden
This Solar-Powered Dutch Poultry Farm Specializes in 'Carbon-Neutral' Eggs
Renewable Energy
Why Solar Is Booming in Latin America
Renewable Energy
Google Buys 43MW of Wind Energy, Saves Birds Too
Renewable Energy
Germany's 'Energiewende' Is Picking Up Steam
Renewable Energy
As Costs Fall, Corporations Reach Renewables Goals Early
Renewable Energy
UK Carbon Emissions Down 38% Since 1990
Renewable Energy
10 Surprisingly Easy Sources of Alternative Energy
Renewable Energy
What if Wind Farms Could Power the World?
Renewable Energy
Renewables Overtook Coal in Germany Last Year
Environment
Is Burning Wood for Heat Green? In a Word, No.
Renewable Energy
7 Amazing Facts About Renewable Energy
Treehugger Voices
Want to Fight Drought? Build Wind Turbines
Renewable Energy
Whatever Happened to Jimmy Carter's Solar Panels: The Sequel
Renewable Energy
Apple Plans Massive Solar Farm in North Carolina
Science
Coal-Fired Power Plant to Become Solar-Powered Village
Science
Innovative Floating Tidal-Power Turbine Generates 3 GWh of Energy in Its First Year of Testing
Food Issues
There's No Fuming About This Food Truck – It's Electric.
Science
Discarded H&M Clothing Is Fueling a Swedish Power Plant
Renewable Energy
Solaroad Opens First Solar Bike Path
Renewable Energy
Scottish Utility Goes 100% Renewable, Pushes Electric Vehicles Too
Business & Policy
Facebook Uses Open-Air Cooling in Super Efficienct N.C. Data Center
Renewable Energy
A Solar-Powered Plug That Sticks to Windows and Out From the Crowd
Renewable Energy
Robert Moses Gets Resilient With First of Solar for Sandy Installations
Renewable Energy
Clean Power to the People
DIY
How to Make Your Own Rocket Stove With a Few Cinder Blocks
Renewable Energy
9 Ingenious Wind Turbine Designs
Science
Holy Grail of Fuel? Scientists Make Synthetic Gas From Air and Water
Renewable Energy
California Becomes First State to Require Solar Panels on New Homes
Energy
5 Innovative Hydroelectric Power Ideas
Business & Policy
Vestas Unveils Gigantic 10 MW Wind Turbine
Renewable Energy
National Hanging Out Day: 5 Ways to Dry With Solar and Wind Energy
Renewable Energy
Solar Road in France Generates Half the Power Expected
Renewable Energy
More Than 100 Cities Get 70% or More of Their Energy From Renewables
Renewable Energy
The Beauty of Wind Turbines
Business & Policy
Greek Island Tilos on Its Way to Becoming Fully Powered by Renewable Energy
Science
This Huge Project Could Change the Wind Game
Renewable Energy
5 Best Portable Solar Laptop Chargers
Renewable Energy
Today's Tobacco Field, Tomorrow's Solar Farm
Renewable Energy
Why Airports Are Embracing Renewable Energy
Science
World's First Solar-Powered Theme Park Is Coming to New Jersey
Renewable Energy
Clean Energy Credit Union Launches to Support Low Carbon Transition
Renewable Energy
Just Add Water and Sunlight to These Gold Stars to Create Renewable Energy
Renewable Energy
Cleveland, Birthplace of Standard Oil, Promises 100% Renewable Energy
Renewable Energy
Duke Energy Dedicates $25 Million to EV Charging in NC, Promises 300 MW of Battery Storage
Renewable Energy
The Future of Wind Power: 9 Cool Innovations
Science
Oregon 'Solar Apiary' Combines Energy Production With Honey
Renewable Energy
Build This Open Source DIY Wind Turbine for $30
Automotive
This Electric RV Is Powered by Solar
Renewable Energy
Build Your Own Mini Wind Turbine From Printer Parts
Renewable Energy
Pellet Stoves vs. Wood Stoves: Which Is Greener?
Energy
Are Pellet Stoves a Good Heating Option?
Renewable Energy
Solar 'Smart' Greenhouses Produce Both Clean Electricity & Food Crops
DIY
Biogas and How to Make a DIY Anaerobic Digester (Video)
Renewable Energy
Small-Scale Solar Desalination System Aims for Affordable Water Independence
Science
Are Building-Integrated Wind Turbines Still "Folly"?
Technology
Solar Panel Suitability Checker App Finds the Best Spot on Your Roof for Solar Panels
Renewable Energy
Small-Scale Solar Powered Air Conditioning Is Here (In Spain, Anyways)
Renewable Energy
This Portable Solar Charger Is Big Enough to Be Your Emergency Home Power Source
Renewable Energy
Hot Home Wind Turbines You Can Actually Buy, Plus One You Wish You Could
Science
Algae Could Light Up Our Cities at Night
Renewable Energy
HomeBiogas 2.0: Ready-To-Use Biogas Solution for the Home
Renewable Energy
Solar Roadways: Don't Believe the Hype on This Boondoggle of a Project
Green Design
Solar Thermal System Integrates Invisibly Into Slate Roof
Business & Policy
The Economist Looks at the Duck Curve, Goes Quackers on the Metaphors
Urban Design
Solar Canopy Transforms Old Railway Bridge Into London's Newest Landmark
Green Design
Seven Rotating Houses and Towers That Turn Our Crank
Renewable Energy
Silent Rooftop Wind Turbines Could Generate Half of a Household's Energy Needs
Science
World's Largest Wind Turbine to Be Built in the UK
Renewable Energy
Do Solar Thermal Hot Water Heaters Still Make Sense?
Treehugger Voices
Ask Pablo: Do Solar Panels Contribute to the Heat Island Effect?
Renewable Energy
Build a Solar Cooker for Just $5
Renewable Energy
Magenn Air Rotors: Floating Wind Turbines
Science
In California, People Without Rooftop Solar Panels Pay a $65 Per Year Subsidy to Those With Them
Science
3D Solar Towers Could Generate 20x More Energy Than Flat Panels
Renewable Energy
Learn to Build a Do It Yourself Biomass Gasifier
Technology
$3 Emergency Solar-Powered Radio Made With an Altoids Tin
Science
DIY Open Source Solar Concentrator Tutorials Now Available
Renewable Energy
World's First Floating Wind Farm Performing Well Beyond Expectations
Science
Solar Grill Stores Latent Heat for 25-Hour Cook Time at 450F
Science
Could Toilet Flushes Help Power Our Homes?
Science
This Solar Briefcase Will Charge Your Phone, Laptop, and a Host of Other Gadgets
Science
Solar Powered Scooter Engineer Needs a Hundred Monkeys
Renewable Energy
Human Power Generator From Windstream Power
Renewable Energy
New Solar Technology Promises Safe Drinking Water in a Compact Off-Grid Footprint
Renewable Energy
Mobile Solar-Plus-Storage Device Could Be an Entry-Level Gateway to Clean Energy
Renewable Energy
UK Energy Company Offering 'Poop Gas' for Heating/Cooking
Business & Policy
Toyota's New Power Plant Will Use Dairy Manure to Make Clean Electricity & Hydrogen
Environment
Solar Freakin' Roadway Opens in China
Renewable Energy
The $149 SolSource Sport Is a Powerful Portable Solar Cooker
Renewable Energy
World's First Solar Train Will Begin Service Soon in Byron Bay, Australia
Renewable Energy
Former Coal Mine Could Be Largest Solar Farm in Kentucky
Renewable Energy
Transparent Solar Windows Generate Energy Without Obstructing the View
Renewable Energy
UK's 'Victorian Era' CO2 Emissions Achieved Without Driving Up Energy Costs
Green Design
IDS12: The Return of the Rumford Fireplace as an Efficient Prefab
Renewable Energy
Largest Vertical Axis Wind Turbine Installation in U.S. Operating at Texas A&M
Environment
How Accurate Is Project Sunroof?
Climate Crisis
Ask Pablo: Do Solar Panels Actually Contribute to Climate Change?
Renewable Energy
High-Flying Solar Balloons Could Produce Clean Electricity Night and Day
Renewable Energy
5 Solar-Powered Buildings That Will Forever Change Architecture
Renewable Energy
Homeowners: Sell Your Own Carbon Credits
Science
New Geothermal Technology Could Produce 10 Times the Electricity Using CO2 From Fossil Fuel Plants
Environment
In Kenya, Dried Poop Briquettes Are Serving as a Clean Cooking Fuel
Renewable Energy
This Is What It's Like to Climb and Service Wind Turbines for a Living
Technology
SunPump Pumps New Life Into Solar Thermal Heating
Aviation
Charge Your Phone With a Bike Between Flights at Amsterdam Airport
Environment
Hawaii Flips Switch on Ocean Thermal Energy Conversion Plant, Harvesting Clean Energy From the Sea
Travel
Smart Development, Eco-Tourism Make for Happy Neighbors in Punta Gorda, Florida
Renewable Energy
How to Build a DIY Solar Air Heater From Old Soda Cans
Science
California Is Generating So Much Solar Energy, It's Paying Other States to Take It
Renewable Energy
Get Off-Grid & Emergency Power From This Solar Briefcase & Battery Packs
Science
Rocket Mass Stove Burns Tiny Amounts of Wood, Heats for Well Over 12 Hours
Renewable Energy
Giant Wind Turbine Sets Record for Wind Energy Generated in 24 Hours
Renewable Energy
The Power of Rain: Alternative Energy
Renewable Energy
Learn the 'Absurdly Efficient, Ridiculously Cheap' Method of Heating a Home
Renewable Energy
White Solar Panels Could Blend in With Buildings, Cool Them Down
Renewable Energy
Solar Jackets Use the Sun's Energy to Keep You Warm
Renewable Energy
Solar Technology for Farming and Urban Gardening
Science
Satellite Maps Show Hidden Geothermal Energy Sites Around the World
Renewable Energy
The Roof Is on Fire: Do Solar Panels Hinder Firefighters?
Green Design
World's Largest Geodesic Dome House Runs on Renewable Power (Photos)
Treehugger Voices
Let’s Get Real About Cute Little Wind Turbines
Renewable Energy
Build a DIY Solar-Powered Backyard Tiller
Renewable Energy
Pierre Calleja: Why Microalgae Is the Future of Green Energy
Renewable Energy
Bio-Solar Panel Runs on Bacteria Power
Renewable Energy
Is There a Renewable Energy Secret in Your Cup of Coffee?
Renewable Energy
Japanese Breakthrough Will Make Wind Power Cheaper Than Nuclear
Automotive
7 Awesome Solar-Powered Vehicles
Renewable Energy
Recyclable Resin Makes Wind Turbines More Eco-Friendly
Renewable Energy
This Solar Panel Produces Up to 5 Liters of Drinking Water Per Day From the Air
Renewable Energy
The World's DIY Hero: An Interview With William Kamkwamba, Windmill Wunderkind
Renewable Energy
At Just $5, This Solar Lamp Is the Most Affordable in the World
Renewable Energy
Plug-And-Play Solar Could Be the Next Clean Energy Wave in the US
Renewable Energy
These Solar Canopies Supply Shade & Electricity, as Well as Catch and Filter Rainwater
Renewable Energy
Is This "The World's First Solar Powered Air-Conditioning Unit"?
Renewable Energy
America's Mayors Are the Renewable Energy Champions We Need Right Now
Renewable Energy
Israel Builds World's Largest Solar Tower
Renewable Energy
Portable Micro Wind Turbine Prototype Weighs 2 Lbs and Packs Down to the Size of an Umbrella
Renewable Energy
Are Bladeless Turbines the Future of Wind Energy?
Renewable Energy
Dutch Solar Bike Path Declared a Success, Is Expanding
Renewable Energy
Wind Turbines and Bridges: A Match Made in Clean Energy Heaven?
Technology
Electrical Device Plugs Directly Into Trees for Power
Renewable Energy
New Bird-Friendly Bladeless Wind Turbine Design to Be Tested and Manufactured in NJ
Renewable Energy
The Solar Roof Exists: SunTegra Offers Solar Shingles and Tiles
Renewable Energy
This Giant Straw Is Actually a Vertical Bladeless Wind Turbine
Renewable Energy
How to Build a Solar Generator on Wheels (Video)
Renewable Energy
Open Source Solar Energy: Zenman Energy's Solar Steam Engine
Renewable Energy
SunStation: Good Looking Solar Panels, Now Affordable
Renewable Energy
Forward Labs Solar Roof Promises Higher Production, Lower Cost Than Tesla's
Renewable Energy
This System Can Purify 2000 Liters of Water Per Day With Solar Thermal Energy
Renewable Energy
Hybrid Rooftop Wind and Solar Generator Now Available in U.S. For Early Adopters
Renewable Energy
New Eggbeater VAWT Design Claims 35% More Power Than Competitors
Renewable Energy
Pocket-Sized Charge Controller Enables Easier DIY Portable Solar Electric Systems
Renewable Energy
Lucy Is a Robotic Solar Daylighting System That Directs Sunlight Where It's Needed
Renewable Energy
Solar Blocks Could Replace Solar Panels on Buildings
Automotive
Lightyear One Solar Electric Car Charges Itself and Will Have a 500-Mile Range
Science
Record-Breaking Inflatable Wind Turbine to Float 1000 Feet Above Alaska
Science
Wind Turbine Makes 1,000 Liters of Clean Water a Day in the Desert
Science
Plug 'N Play Solar Systems Could Give Renters a Renewable Energy Option
Science
Australia Will Be Home to World's Largest Single-Tower Solar Thermal Power Plant
Renewable Energy
Build Your Own Solar Oven With Automatic Sun Tracking
Science
Keep Warm With a Low-Tech, Solar Powered Radiator
Science
Ice Could Be Key to Storage of Renewable Energy
Science
Underwater Power-Generating Buoys Make Waves
Science
Japan Is Building Huge Floating Solar Power Plants
Science
Using Solar Energy to Create Wind Power
Science
Solartab Is Back With a More Powerful (And Waterproof) Solar Tablet Charger
Science
Jenni Is a Gateway Device for Small-Scale Solar for Apartment & Condo Dwellers
Science
Did Woodland, North Carolina Really Ban Solar Farms Because They "Suck Up the Sun?"
Science
Coolerado Coolers: Getting Close to Solar Powered Air Conditioning
Science
Biobulb Is a Bacteria-Powered Light Bulb
Science
Sunflare's Thin-Film Solar 'Wallpaper' Is Light, Flexible, and Can Be Taped Onto Any Surface
Science
Free Solar Panels for Low-Income CA Homeowners, Funded by Cap & Trade System
Renewable Energy
Honeywell Windtronics Turbine Is Giant Generator
Science
This Concentrated Solar Power Plant Is Totally Tubular & Easily Transported
Science
Owl Wings Inspire Quieter Wind Turbine Blades
Science
New Aluminum Battery With Urea Electrolyte Could Be a Low-Cost Renewable Energy Storage Solution
Science
The Netherlands Opens Massive Offshore Wind Farm
Science
Beautiful Wind Turbine Trees Generate Clean Energy in Urban Environments
Science
Solar Powered Supercapacitor Produces Hydrogen Fuel and Electricity
Renewable Energy
Offshore Wind and Wave Farms Should Be Designed to Create Artificial Reefs
Science
Lightweight Thin-Film Solar Charger Is Rollable, and Includes a Battery Bank
Science
New Algae Fuel Cell Packs a Punch
Science
Researchers Develop Device That Generates Power From Polluted Air With Sunlight
Science
Flower-Like Wave Energy Turbines Could Power the Coasts of Japan
Science
Are Solar Panels Vulnerable to Hackers?
Science
RIVER Portable Battery & Solar Charger Delivers Power on the Go for Off-Grid Adventures
Renewable Energy
Would You Cook Food in a Compost Pile?
Renewable Energy
Who Knew: The Amish Love That Fancy Solar Technology
Science
Dandelion: An Audacious and Radical Geothermal Energy Startup?
Science
Let There Be Light: The Inspiring Story of Solar Power in Israel's Arava Desert
Technology
New Solar-Powered Fabric Is Straight Out of Back to the Future
Science
This Startup's Wind Generator Flaps Its Wings Like a Hummingbird
Renewable Energy
Power-Blox Uses Swarm Intelligence to Create Autonomous 'Internet of Energy' Micro-Grids
Science
Massive Norwegian Data Center Will Be Fully Powered by Renewable Energy
Renewable Energy
A Solar-Powered Greenhouse in a Waterless Desert, and a 100% Autonomous Bus
Science
Soccer Field Lights Powered by Kids' Pounding Feet
Science
Tesla Unveils Sleek, Barely Noticeable Solar Panels
Renewable Energy
Hardwood Could Become the New Sugar Cane - If Sustainable Development Becomes 'Super Critical'
Science
See-Through Solar Cells Could Close Gap to Meet Electricity Demand
Science
Bio-Solar Wallpaper Made With Cyanobacteria Can Be Printed With an Inkjet
Science
Nissan Gets Into Home Solar & Energy Storage Market With All-In-One Solution
Science
Flecks of "Solar Glitter" Can Make Almost Anything Solar Powered
Science
Autonomous Solar Boat Will Recreate Mayflower's Historic Voyage on Its 400th Anniversary
Renewable Energy
URIDU Fights Poverty & Empowers Rural Illiterate Women With Solar Powered MP3 Players
Renewable Energy
Steel Drum Contains a Complete Solar Charging Station for Off-Grid & Remote Power
Renewable Energy
Estuary Power? Mixing Salt and Fresh Water = Clean Electricity (1 kW Per Liter/Second)
Business & Policy
Forget Bitcoins; Invest in Green Renewable Energy With WePower Tokens
Renewable Energy
Solar Windows Switch Between Tinted and Transparent
Business & Policy
Kentucky Coal Museum Goes Solar (And Miners Made It Happen)
Renewable Energy
Study: 100% Renewable Electricity Worldwide Is Feasible, and Cheaper Than Business-As-Usual
Automotive
Solar Cars? No Way. Solar Racers? Way
Renewable Energy
Oso Libre: Winery Fights County for Renewable Energy, Wins!
Renewable Energy
Solar Paint Produces Hydrogen From Sunlight and Water Vapor
Renewable Energy
5 Boundary-Pushing Ways to Generate Renewable Energy