Technology
Learn how technology can make life richer and less wasteful through practical applications.
![Illustration of Sir Isaac Newton contemplating a fallen apple](https://www.treehugger.com/thmb/yzQPdN4vsAyAfUFd1JnjZboM4rU=/400x300/filters:no_upscale():max_bytes(150000):strip_icc()/GettyImages-51108572-7c4b7017b6324daa94ed2c8ca9542cde.jpg)
7 Brilliant Mathematicians and Their Impact on the Modern World
![Collage of e-bike conversion kits we recommend on a green background](https://www.treehugger.com/thmb/Cv3c6T-kNPg0RgI04sykQ7NqA_Q=/400x300/filters:no_upscale():max_bytes(150000):strip_icc()/best-e-bike-conversion-kits-5188910-9850c3007ff440019b27eaebb91f0ca8.jpg)
The 6 Best E-Bike Conversion Kits
![Close-up of a person standing in the forest holding a handful of moss, Russia](https://www.treehugger.com/thmb/olURE0oAAqPIt8KiOPsgD4kkxgE=/400x300/filters:no_upscale():max_bytes(150000):strip_icc()/close-up-of-a-person-standing-in-the-forest-holding-a-handful-of-moss--russia-1292055927-6d56c84aa9b14e3da13dcc6494d839b7.jpg)
How Plants and Microorganisms Can Clean up the Mess We Make
![Two energy-efficient air conditioners we recommend outlined in pink and displayed on a yellow and blue background](https://www.treehugger.com/thmb/_qr1beLtqDMbju_xOuEshs-JzUU=/400x300/filters:no_upscale():max_bytes(150000):strip_icc()/TREEHUGGER-7-best-air-conditioners-5093784-157ac7f6626c4521adc958f0b7dd6278.jpg)
The 7 Best Energy-Efficient Air Conditioners
![Business woman working at office with documents on his desk, Business woman holding pens and papers making notes in documents on the table, Hands of financial manager taking notes](https://www.treehugger.com/thmb/K0pfMSoXy5HHnm3R2VpJbly5JdI=/400x300/filters:no_upscale():max_bytes(150000):strip_icc()/business-woman-working-at-office-with-documents-on-his-desk--business-woman-holding-pens-and-papers-making-notes-in-documents-on-the-table--hands-of-financial-manager-taking-notes-1185256894-31eb14854db84d2480efc67d4d563c4d.jpg)
The Many Mighty Benefits of Writing By Hand
![Modern Biology mushroom music](https://www.treehugger.com/thmb/Wt-URrgFnsmwyNdBDZTanfSQTFs=/400x300/filters:no_upscale():max_bytes(150000):strip_icc()/ModernBiologycreditMarkVonesch2-ffa993518ac046b6bb4908bd03235370.jpg)
Biologist-Turned-Musician Creates Sonic Magic With Bioelectricity From Fungi
![could this be decarbonized?](https://www.treehugger.com/thmb/JhOTRFuSUEq9jK7_PwHByqUlzog=/400x300/filters:no_upscale():max_bytes(150000):strip_icc()/GettyImages-941748918-6b6cc0eeb2714f2c8ffba47ee06fee25.jpg)
New Sublime Process Decarbonizes Cement With Low-Carbon Lime
![Person using tablet with smart home control functions at home](https://www.treehugger.com/thmb/N48BxK2sQylIzLzQsbcl3dQdNEE=/400x300/filters:no_upscale():max_bytes(150000):strip_icc()/1-b85b19803ff846ed9058c7f08b7aa5f7.jpg)
What Is a Smart Home? Overview and Sustainability
![The target chamber of LLNLâs National Ignition Facility](https://www.treehugger.com/thmb/wuAi89aNIq1qld3kZ5squaK7ShY=/400x300/filters:no_upscale():max_bytes(150000):strip_icc()/targetChamber-812c5630255a4a34981215c9e54b07be.jpeg)
Nuclear Fusion Breakthrough Could Deliver Clean Power Too Cheap to Meter
![Old American Aluminum Plant in Washington State (now closed)](https://www.treehugger.com/thmb/EL4FwxnYB2Xd_iy_SgOMjcgPyRY=/400x300/filters:no_upscale():max_bytes(150000):strip_icc()/GettyImages-143574620-f748286fdf0e4628997df265863d12ce.jpg)
Aluminum Tariff Wars Are Hurting American Health and Finances
![Stora Enso battery with wood based carbon](https://www.treehugger.com/thmb/6GOWteEKgIXJqiCocvNepfjNpcE=/400x300/filters:no_upscale():max_bytes(150000):strip_icc()/Scalable_renewable_material_1200x7602-b3b6095c7f234b41b6e54ebf55e15753.jpg)
This Battery Made Partly From Pine Trees Can Power Up EVs
![Fridge in kitchen](https://www.treehugger.com/thmb/3vCmggJYvYiLhDDSdhL-BVff47Q=/400x300/filters:no_upscale():max_bytes(150000):strip_icc()/GettyImages-523449726-ad0f2acda51741e2a95675721b4073ca.jpg)
The 6 Best Energy-Efficient Refrigerators
![Three energy-efficient space heaters on a pink background](https://www.treehugger.com/thmb/lyD548sGMROACQ10kK7BmTu5iuQ=/400x300/filters:no_upscale():max_bytes(150000):strip_icc()/TREEHUGGER-6-best-energy-efficient-space-heaters-50866089-final-01-d68f1504d0fb4f33a4641c2afc9969af.jpg)
The 6 Best Energy-Efficient Space Heaters
![genetically modified miscanthus, an ornamental white feathery grass](https://www.treehugger.com/thmb/mD_S5JtSbq_BG7DT1yOknj4-SlI=/400x300/filters:no_upscale():max_bytes(150000):strip_icc()/WinterMiscanthus-19339a159d2c4b94ab6c40e1afb82578.jpeg)
12 Bizarre Examples of Genetic Engineering
![Collage of solar power banks we recommend on a blue background](https://www.treehugger.com/thmb/eRYvPJQvvCerbKnW7Hn7O-H7ia0=/400x300/filters:no_upscale():max_bytes(150000):strip_icc()/TREEHUGGER-7-best-solar-power-banks-5080126-final-01-643be1eeb3fa491eaef90c590439a399.jpg)
The 7 Best Solar Power Banks
![Best Home Battery Storage Systems](https://www.treehugger.com/thmb/msAP5Pu3J07-AVoP_4UCaXwwN2g=/400x300/filters:no_upscale():max_bytes(150000):strip_icc()/TREEHUGGER-6-best-home-battery-storage-systems-5192244-final-01-aca0f154c5df4043b99e74ad7b3a57bf.jpg)
The 6 Best Home Battery Storage Systems
![Iphone 14](https://www.treehugger.com/thmb/SnycUrdZbsSlQ-PuYpc4X99jP_4=/400x300/filters:no_upscale():max_bytes(150000):strip_icc()/iPhone14-219_edit-edited-50e973c274234dc1aa808dbc182d6927.jpeg)
Apple's New iPhone 14 Is Easier to Fix
![Street lights at night on highway](https://www.treehugger.com/thmb/2LdLuOZO2-bnluHbij2byRHBI98=/400x300/filters:no_upscale():max_bytes(150000):strip_icc()/GettyImages-556592235-2637cd662c944f99922063e82da790e3.jpg)
LED Street Lighting Is Brighter, Bluer, and Increasing Environmental Risk
![Close up picture of microscope in the laboratory](https://www.treehugger.com/thmb/QGwntybaoJzq5xex_qC6nk-hEko=/400x300/filters:no_upscale():max_bytes(150000):strip_icc()/close-up-picture-of-microscope-in-the-laboratory-1220985719-122e660036804a9b87974d7cf0c14f53.jpg)
How Does Nanotechnology Impact the Environment?
![open pit copper mine in Spain](https://www.treehugger.com/thmb/UfnBioRcRVhWrPfn9Vp1NFA8bzo=/400x300/filters:no_upscale():max_bytes(150000):strip_icc()/GettyImages-1292119320-6c7b4287453b4f6b9104a77b5d7f9793.jpg)
'Ephemeralize Everything' to Reduce Demand for Electricity and Materials
![Ingredients of a battery](https://www.treehugger.com/thmb/_a7YupqGjumt6XHkznyqwqwQ0u8=/400x300/filters:no_upscale():max_bytes(150000):strip_icc()/MIT-Aluminum-Sulfur-Battery-01-PRESS_0-e8b6e9eafe734542a2743c885ee6bff8.jpg)
Scientists Develop Cheap Batteries From Earth-Abundant Materials
![A carbon capture test unit at the Longanet coal plant in Scotland](https://www.treehugger.com/thmb/lLiTqRb_5SEPkDNm5F2KkE12m3Q=/400x300/filters:no_upscale():max_bytes(150000):strip_icc()/GettyImages-88045761-83e7fe1010884f5bb5eabbe376079037.jpg)
What Is Clean Coal Technology? Overview, History, Carbon Emissions
![solar powered phone charger](https://www.treehugger.com/thmb/3H5HLPApCrDjFuX62wl6AjoSvFw=/400x300/filters:no_upscale():max_bytes(150000):strip_icc()/solar-poweredphonecharger-926a8b4417eb4552a367002c22796006.jpg)
7 Ways to Charge a Phone When the Power's Out
![Coolers in Restaurant](https://www.treehugger.com/thmb/5X2tgkggW0tYJ2xkpyLswPgq7ng=/400x300/filters:no_upscale():max_bytes(150000):strip_icc()/Restaurant-30139c21bd50457bbfc45faacaba3f54.jpg)
This Outdoor Air Conditioner Runs on Liquid Nitrogen
![World Map Projection AuthaGraph faithfully represents all oceans, continents including the neglected Antarctica.](https://www.treehugger.com/thmb/k0LjVHJRx9kgfglTN9Q2a_2AlDk=/400x300/filters:no_upscale():max_bytes(150000):strip_icc()/map-5ef9dee50232476fa803bd2d8ed26aa1.jpeg)
This World Map Is Weird — But Also the Most Accurate
![Urea fertilizer](https://www.treehugger.com/thmb/Gp3gQuH9DK7Rmif_1kIvyg8o1t4=/400x300/filters:no_upscale():max_bytes(150000):strip_icc()/GettyImages-1270719726-16d728eaeb074cb0a51398d1f85c3462.jpg)
Researchers Develop Powerful and Affordable Pee-Powered Fuel Cell
![Solar Lantern](https://www.treehugger.com/thmb/HXV0FUygd9zKO5Qk7AZU73nu3DE=/400x300/filters:no_upscale():max_bytes(150000):strip_icc()/best-solar-lanterns-3f2237d5b3b245d1baf6263691d0103b.jpeg)
The 6 Best Solar Lanterns
![](https://www.treehugger.com/thmb/zDQELodO2mbb57mZcSpaDrNu8sk=/400x300/filters:no_upscale():max_bytes(150000):strip_icc()/__opt__aboutcom__coeus__resources__content_migration__mnn__images__2020__04__James-Webb-Telescope-Mirror-deployed-ae2a71735730421d876ec6e6e1a76521.jpg)
5 Reasons Why the James Webb Space Telescope Is Such a Big Deal
![Bifacial solar panels in the Atacama Desert in Chile](https://www.treehugger.com/thmb/iCVsgCUvx8a9nRDiP1nIvyun0sg=/400x300/filters:no_upscale():max_bytes(150000):strip_icc()/GettyImages-1124875697-c89d916b15ad4f8b8aed213d92d6a02d.jpg)
What Are Bifacial Solar Panels? Overview, How They Work, and Outlook
![Sky with sun](https://www.treehugger.com/thmb/pf-pk8UtNEkqFeijfqTC4RhiLJU=/400x300/filters:no_upscale():max_bytes(150000):strip_icc()/Sun-d4d2f794a1554b0c80dfa90098e8dd75.jpg)
Fighting Climate Change Through Solar Geoengineering Is a Bad Idea, Scientists Warn
![Belgian malinois standing next to soldier in uniform](https://www.treehugger.com/thmb/SHjaZzWefgsKKe0dkXbWaTcDTfg=/400x300/filters:no_upscale():max_bytes(150000):strip_icc()/3-e449f89966014ffdb6d7f666bdcd50e5.jpg)
Titanium Fangs? The Technology Behind Navy SEAL Dogs
![Person removing tank from dehumidifier on the floor](https://www.treehugger.com/thmb/r3VCOXcqufbGFN5UXuBTeAMHnb4=/400x300/filters:no_upscale():max_bytes(150000):strip_icc()/GettyImages-1078226676-47a1e01aa97a410ba5969eab2e18c122.jpg)
The 7 Best Energy-Efficient Dehumidifiers
![Fairphone in use](https://www.treehugger.com/thmb/DUOVnbrKmvIZiYKGKodf_T9B9ZM=/400x300/filters:no_upscale():max_bytes(150000):strip_icc()/51535916380_b22d52d546_k-1ce63033e6ee4251a272630e41c5e516.jpg)
Fairphone Demonstrates the Dramatic Impact of Making Things That Last
![Woman Reading by Candlelight (1908). Peter Ilsted (Danish, 1861-1933)](https://www.treehugger.com/thmb/gcxB-zIEXgr_S-r1WICAblCAnd0=/400x300/filters:no_upscale():max_bytes(150000):strip_icc()/__opt__aboutcom__coeus__resources__content_migration__treehugger__images__2017__08__painting-candlelight-38944b4f97b14488859a8bb14f9e65cf.jpg)
LEDs Show How Tectonic Shifts in Technology Can Tackle the Climate Crisis
![Distant view of pollution](https://www.treehugger.com/thmb/s7sEC-AhSvvkpxt5m3I2hgtwY-w=/400x300/filters:no_upscale():max_bytes(150000):strip_icc()/GettyImages-1216466481-2d33c85cba5f4353ad47e4f8d262d8c3.jpg)
What Is Carbon Capture and Storage (CCS)?
![Akashi Kaikyo Bridge on a cloudy day](https://www.treehugger.com/thmb/JNXdIJFmkOYutLneFG6vZKt39xQ=/400x300/filters:no_upscale():max_bytes(150000):strip_icc()/__opt__aboutcom__coeus__resources__content_migration__mnn__images__2017__06__AkashiKaikyoBridgeSunClouds-d95f8e1fff614b69b516b1ebf8d1b7a2.jpg)
15 of the World's Longest Bridges by Category
![Apollo Fusion](https://www.treehugger.com/thmb/J0z7qYeAG7nBJYdx1uWxKLbqxoQ=/400x300/filters:no_upscale():max_bytes(150000):strip_icc()/apollo-fusion-487c7b356fe742d084b44b6a3cf77393.jpg)
Minamata Convention Bans Mercury Satellite Propellants
![Toilet in the middle of nowhere](https://www.treehugger.com/thmb/l--xqGL5Nsooz247N-4AUyA0IZY=/400x300/filters:no_upscale():max_bytes(150000):strip_icc()/P1040746-3896a568cb944471b8c114db406f1d4f.jpeg)
We Need to Get Over Our Resistance to Recycling Poop
![A mature woman surrounded by plants takes a photo with her phone camera.](https://www.treehugger.com/thmb/Eqo2vswNe-XJJGNdj5UXfGs1_SQ=/400x300/filters:no_upscale():max_bytes(150000):strip_icc()/GettyImages-912078118-513593286fc744caa320e3c925f66b26.jpg)
Leafsnap Is an App That Identifies Plants of All Kinds
![Does Cloud Computing Help or Harm the Environment?](https://www.treehugger.com/thmb/HGqIWc_9F0qVZ2_2QJVTppp9J7I=/400x300/filters:no_upscale():max_bytes(150000):strip_icc()/GettyImages-1247665468-7fdf4af32a4f4df3a0d885e71b77a601.jpg)
Does Cloud Computing Help or Harm the Environment?
![Our Hydrogen Future!](https://www.treehugger.com/thmb/-exLxnU3IkWt94hdldo036D9XPM=/400x300/filters:no_upscale():max_bytes(150000):strip_icc()/GettyImages-1305091835-6f160d825bec4467831a47f726710106.jpg)
Hydrogen Science Coalition Cuts Through the 'Hydrogen Hype'
![Popcorn can be turned into insulation](https://www.treehugger.com/thmb/-vobb67i7_orUI6tbsNAnfZl9n8=/400x300/filters:no_upscale():max_bytes(150000):strip_icc()/GettyImages-508300585-88da369c46a345cf8f558f7cd0ea41b6.jpg)
Researchers Make Insulation Board Out of Popcorn
![LifeLabs intro](https://www.treehugger.com/thmb/SMKHHCKehJ6U24G4jXv5TR6Mb-c=/400x300/filters:no_upscale():max_bytes(150000):strip_icc()/lifelabs-34fb9a6da78a4c379f068f93522370cd.jpg)
LifeLabs Fabrics Keep You Warm or Cool With Physics
![profile view of chicken with red wattle and black and white feathers](https://www.treehugger.com/thmb/DB8eI_I5l3nJz5g8CTxR11Imrfw=/400x300/filters:no_upscale():max_bytes(150000):strip_icc()/start-an-egg-business-3016906-07-25cf84073769472bbe28528a474beb94.jpg)
Add Some Automation to Your Chicken Coop
![Climeworks in Iceland](https://www.treehugger.com/thmb/NlvvoqzcPXT5aV4MlEWBhQAcyuU=/400x300/filters:no_upscale():max_bytes(150000):strip_icc()/climeworks-2-8167d7ada79d4a78a86051e88d9a041d.jpg)
Climeworks Turns On the World's Largest Carbon Capture and Storage Plant
![](https://www.treehugger.com/thmb/1a0KFdI1IUhoAxhlxbFLjKrwhHk=/400x300/filters:no_upscale():max_bytes(150000):strip_icc()/__opt__aboutcom__coeus__resources__content_migration__mnn__images__2017__06__drone-flying-above-fields-sunflower-b524d28f488d432c9fae34324dd923a6.jpg)
Best Use of Drones Ever? Planting a Forest
![](https://www.treehugger.com/thmb/wyafZn3UaUIWkZz1sNrHSLvrjUU=/400x300/filters:no_upscale():max_bytes(150000):strip_icc()/__opt__aboutcom__coeus__resources__content_migration__mnn__images__2014__02__JuiceAndJuicerFlickr-01dcd3be7d11476f80cc0716c858a7aa.jpg)
How to Choose a Juicer
![Climeworks Direct-Air Carbon Capture Plant in Iceland.](https://www.treehugger.com/thmb/a4EIsOR193b1Cpt82KtC1ssdTKQ=/400x300/filters:no_upscale():max_bytes(150000):strip_icc()/Hellisheidi_Power_Plant_-_Photo_by_Arni_Saeberg_1-d91812a3ec8545bb8367edab3355c802.jpeg)
What Is Direct Air Capture? Does It Work?
![Cement factories with white plumes gas coming out of stacks](https://www.treehugger.com/thmb/78ObrFc4IyHCoAsYn7qe3EU92wU=/400x300/filters:no_upscale():max_bytes(150000):strip_icc()/GettyImages-82066576-fe2de6156d504545b53cf0466eb5677c.jpg)
Carbon Capture and Storage (CCS) Pros and Cons
![A robot exploring an underwater reef with headlights. A cord hangs from the robot.](https://www.treehugger.com/thmb/cRgRz3cdt1wVFLFmamgPSalFSzg=/400x300/filters:no_upscale():max_bytes(150000):strip_icc()/GettyImages-873965514-83a25b003d16483ba7552fc715a8647a.jpg)
How Much of the Ocean Is Unexplored?
![Fairphone parts](https://www.treehugger.com/thmb/yTBKt2i049X0iJBaQzfadCoH2u4=/400x300/filters:no_upscale():max_bytes(150000):strip_icc()/50273819633_b57e5c5be4_k-3d27dd51e5d9410c816766ad84c6ef19.jpg)
Fairphones Are Perfect for Consumers Tracking Their Carbon Footprint
![pile of plastic bottles](https://www.treehugger.com/thmb/MyxKElbrz8yBdAtRyQ3lqK1NkSA=/400x300/filters:no_upscale():max_bytes(150000):strip_icc()/GettyImages-1195204168-59742a2b891346b9abedab6be0a384de.jpg)
Tasty Trash? Scientists Make Vanilla Flavoring from Used Plastic
![Best of Green tech award seal](https://www.treehugger.com/thmb/9r6nU29Ob0FbX3l5tRVUisFVsh8=/400x300/filters:no_upscale():max_bytes(150000):strip_icc()/primary3x2-6a44c77afe624c0dbba243fd506f07ed.jpg)
Best of Green Awards 2021: Eco Tech
![Smoke of chimney writing CO2 in the sky](https://www.treehugger.com/thmb/XEbm3R39aPKJZ9Mt52tAKZPVR5g=/400x300/filters:no_upscale():max_bytes(150000):strip_icc()/GettyImages-513386196-84db846271b0410fb2ec75a2c27b33b9.jpg)
Direct Air Capture Pros and Cons
![Carbon Cure and Cement Truck](https://www.treehugger.com/thmb/f0KeSwWxJvVdBlnQak5ioLQEIF4=/400x300/filters:no_upscale():max_bytes(150000):strip_icc()/CarbonCure-Truck-and-Valve-Box-with-Tank-1e1c639b154e4adc84dd3b98a80f62e2.jpg)
Two Companies Cement X-Prize for Decarbonizing Concrete
![Environmental technology concept. Sustainable development goals. SDGs.](https://www.treehugger.com/thmb/nzYHwUqaJh8wZyCr9seIyq8Um_I=/400x300/filters:no_upscale():max_bytes(150000):strip_icc()/environmental-technology-concept--sustainable-development-goals--sdgs--1284341413-d71938d4fd2d49768f0287647a4846c6.jpg)
Nominate Your Favorites For Our Eco Tech Awards
![Tiny Mile Robots](https://www.treehugger.com/thmb/U12oa4766u0biPm0kn2O1UouhOg=/400x300/filters:no_upscale():max_bytes(150000):strip_icc()/TNM_XMAS-25-51758f258e9d4e3dad0b3f85c65513e1.jpg)
What's Not To Love About Tiny Robots on Our Sidewalks?
![Women at work in the office, 1907](https://www.treehugger.com/thmb/ashNpfrdS6hmNZykABuPAxEtjC4=/400x300/filters:no_upscale():max_bytes(150000):strip_icc()/GettyImages-515298774-8a83c1a44cc34683bb3a95ec85d1fb3a.jpg)
Why Did it Take a Pandemic to Change the Way We Work?
![Framework Computer open](https://www.treehugger.com/thmb/bd13Gl5LuwNfSUZgoHejnySPbk0=/400x300/filters:no_upscale():max_bytes(150000):strip_icc()/framework-open-94fc67067201418f9b11598dd159b0d7.jpg)
Framework Computer is Repairable and Upgradable
![hello robot](https://www.treehugger.com/thmb/TBCHscrdavJ8Gv-23iq07RcUA1M=/400x300/filters:no_upscale():max_bytes(150000):strip_icc()/__opt__aboutcom__coeus__resources__content_migration__treehugger__images__2016__07__hello-robot-6e72b80910b64b10bfd0f5ec2f49e92b.jpg)
Robots Are Stealing Our Sidewalks
![Hand in a garden holding a tablet with soil information display](https://www.treehugger.com/thmb/CNddkCKDd13dtTsx7zi-R3hwTxo=/400x300/filters:no_upscale():max_bytes(150000):strip_icc()/grow-observatory-588d302297ac435abd8dc3fd4d3c1c4e.jpg)
Using Data and Citizen Science for Gardening Success
![](https://www.treehugger.com/thmb/C1Kzq2WKek2_5xNQb1K4jtZL2sU=/400x300/filters:no_upscale():max_bytes(150000):strip_icc()/__opt__aboutcom__coeus__resources__content_migration__mnn__images__2015__08__GettyImages-450831354-4f95e0832da4470bb95f74ba8fe04475.jpg)
Installation Begins on Jeff Bezos' 10,000-Year Clock
![](https://www.treehugger.com/thmb/XTDNnHYkDW8RbuPb_ACAM_ut7CY=/400x300/filters:no_upscale():max_bytes(150000):strip_icc()/__opt__aboutcom__coeus__resources__content_migration__mnn__images__2014__11__shutterstock_295803887-802023f785964c33bb3e203bfea608a2.jpg)
Can Venture Capitalists Fill the Science Gap?
![dolphin](https://www.treehugger.com/thmb/qJZfxs4CmkCRaJ7x761BZWF1Fi4=/400x300/filters:no_upscale():max_bytes(150000):strip_icc()/__opt__aboutcom__coeus__resources__content_migration__treehugger__images__2012__05__dolphin-d29b885db9eb4f97acec23d3936c63e6.jpg)
Wave-Powered "Dolphin Speaker" Could Let Us Talk to Dolphins