Car interior of an 70s German sports car. The dials cannot be found in cars these days. https://www.rawpixel.com/image/5975333/photo-image-public-domain-vintage-microphoneFree Image from public domain licenseForest Fire LOT 110 ft at East end of Sisters, OregonDeschutes National Forest Historic Photo. Original public domain image… https://www.rawpixel.com/image/4075782/photo-image-fire-forest-buildingFree Image from public domain licensePresident Barack Obama listens to a question during a town hall meeting at Broughton High School in Raleigh, N.C. on July… https://www.rawpixel.com/image/4049949/photo-image-face-person-microphoneFree Image from public domain licensePresident Barack Obama tours the DeSoto Next Generation Solar Energy Center with Lew Hey, chairman and CEO of FPL Group… https://www.rawpixel.com/image/4049926/photo-image-plant-person-grassFree Image from public domain licensePresident Barack Obama delivers remarks during the event to commemorate the 50th Anniversary of Bloody Sunday and the Selma… https://www.rawpixel.com/image/4050138/photo-image-person-microphoneFree Image from public domain licensePresident Barack Obama takes a tour of solar panels with Col. Ronald E. Jolly, Commander, at Hill Air Force Base, Utah… https://www.rawpixel.com/image/4050131/photo-image-person-public-domainFree Image from public domain licenseStella Loki, Radio reporter, South Sudan. Stella Loki, Eye Radio-South SudanRadio is the most important source of… https://www.rawpixel.com/image/4050263/photo-image-person-computer-tableFree Image from public domain licenseBagpipesYAVORIV, Ukraine --John McAlister, a Belfast, Ireland native assigned to the United Kingdom's Royal Irish Regiment… https://www.rawpixel.com/image/4040506/photo-image-person-microphoneFree Image from public domain licenseVice President Kamala Harris greets South Korean President Moon Jae-in Friday, May 21, 2021, in the Vice President’s… https://www.rawpixel.com/image/4046484/photo-image-person-microphoneFree Image from public domain licenseActing Secretary Pekoske Visits the National Targeting CenterWashington, D.C. (January 28, 2021) Acting Homeland Security… https://www.rawpixel.com/image/4046206/photo-image-person-microphone-roomFree Image from public domain licensePresident Joe Biden participates in his first official press conference Thursday, March 25, 2021, in the East Room of the… https://www.rawpixel.com/image/4046313/photo-image-wood-person-microphoneFree Image from public domain licensePresident Joe Biden delivers remarks to Air Force personnel and their families on Wednesday, June 9, 2021, at Royal Air… https://www.rawpixel.com/image/4046236/photo-image-person-microphoneFree Image from public domain licensePresident Joe Biden smiles during his first official press conference Thursday, March 25, 2021, in the East Room of the… https://www.rawpixel.com/image/4046321/photo-image-person-microphoneFree Image from public domain licensePresident Joe Biden delivers remarks on the 100th anniversary of the Tulsa Massacre Tuesday, June 1, 2021, at the Greenwood… https://www.rawpixel.com/image/4046245/photo-image-face-people-microphoneFree Image from public domain licenseVice President-elect Kamala Harris greets former President Barack Obama Wednesday, Jan. 20, 2021, as she and her husband Mr.… https://www.rawpixel.com/image/4046455/photo-image-people-microphoneFree Image from public domain licensePresident Joe Biden, joined by Vice President Kamala Harris, delivers remarks on the COVID-19 National Month of Action on… https://www.rawpixel.com/image/4046224/photo-image-face-person-microphoneFree Image from public domain licenseEmigration Canyon Cell and Radio Towers, Uinta-Wasatch-Cache National Forest. Credit: US Forest Service. Original public… https://www.rawpixel.com/image/4034775/photo-image-forest-public-domainFree Image from public domain licenseSmoke MonitorPosted on: 08/27/16. Pioneer Fire, Boise National Forest. Credit: US Forest Service. Original public domain… https://www.rawpixel.com/image/4034656/photo-image-light-smoke-fireFree Image from public domain licenseMount washburn Fire Lookout with communication infrastructure by Bret DeYoung. Original public domain image from Flickr https://www.rawpixel.com/image/4037980/photo-image-person-construction-buildingFree Image from public domain licenseAuto repair using a voltage meter on car battery https://www.rawpixel.com/image/3361661/premium-photo-image-auto-part-automobileView licenseNAVAL STATION ROTA, Spain (Nov. 3, 2019) — The Arleigh Burke-class guided-missile destroyer USS Porter (DDG 78) flies the… https://www.rawpixel.com/image/3399303/free-photo-image-alloy-wheel-antenna-architectureFree Image from public domain licenseSTRAIT OF GIBRALTAR (June 14, 2018) Logistics Specialist 3rd Class Markel Thomas conducts surveillance while manning a .50… https://www.rawpixel.com/image/3398666/free-photo-image-apparel-armored-armyFree Image from public domain licenseBATUMI, Georgia (Oct. 13, 2016) Petty Officer 3rd Class Steven Hooper, a Navy musician from the U.S. Naval Forces Europe… https://www.rawpixel.com/image/3398804/free-photo-image-alt-apparel-brass-sectionFree Image from public domain licenseThe Bureau of Land Management photo. Original public domain image from Flickr https://www.rawpixel.com/image/3398471/free-photo-image-blmcalifornia-bridge-buildingFree Image from public domain licenseThis solar array from California is similar to the proposed Crimson Solar Project. Photo courtesy of Recurrent Energy.… https://www.rawpixel.com/image/3397886/free-photo-image-aircraft-automobile-carFree Image from public domain licensePhoto courtesy of Clearway Energy Group. Original public domain image from Flickr https://www.rawpixel.com/image/3398005/free-photo-image-2020-blm-california-cc0Free Image from public domain licenseCOVID-19 test swabs are placed into a container during COVID-19 testing in San Diego, California, June 22, 2020. https://www.rawpixel.com/image/3400166/free-photo-image-appliance-box-burnerFree Image from public domain licenseA singer from Heegaan police band performs at General Kaahiye Police training academy on 26th February 2014 during the… https://www.rawpixel.com/image/3373759/free-photo-image-apparel-cc0-clothingFree Image from public domain licenseMembers of Somalia's South West State Regional Parliament follow proceedings during the closing ceremony of a capacity… https://www.rawpixel.com/image/3373816/free-photo-image-apparel-cc0-clothingFree Image from public domain licenseA participant speaks during women's political representation forum organised by the office of Political Affairs of the… https://www.rawpixel.com/image/3373366/free-photo-image-press-conference-apparel-audienceFree Image from public domain licenseA participant makes a point during women's political representation forum organised by the office of Political Affairs of… https://www.rawpixel.com/image/3373373/free-photo-image-audience-beverage-bottleFree Image from public domain licenseA day in Spring. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3370825/free-photo-image-architecture-banister-buildingFree Image from public domain licenseBoekel De Ner?e, Amsterdam, The Netherlands. Architects: Rafael Vi?oly Architects and Christina Seilern. Original public… https://www.rawpixel.com/image/3371437/free-photo-image-antenna-arrow-banisterFree Image from public domain licenseRotterdam Central (railway station), The Netherlands. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3371128/free-photo-image-pattern-appliance-cc0Free Image from public domain licenseMontana Fish, Widlife & Parks employee, Lorelle Berkeley searches for Sage Grouse. June 27, 2013. Original public domain… https://www.rawpixel.com/image/3336175/free-photo-image-antenna-abies-apparelFree Image from public domain licenseA solar panel charges the electric fence used in Dennis Kleinjan's rotational grazing system on his ranch near Chinook… https://www.rawpixel.com/image/3336190/free-photo-image-irrigation-pump-animal-birdFree Image from public domain licenseSolar powered electric fencing helps Burgess Ranch graze cattle in smaller sections for more intense grazing. https://www.rawpixel.com/image/3336126/free-photo-image-antenna-cc0-conservationFree Image from public domain licenseSolar Installer Sage with Sustainable Technologies installing a rooftop 36kW Electrical PV Installation for Reach Ashland… https://www.rawpixel.com/image/3325603/free-photo-image-light-solar-cc0-creative-commonsFree Image from public domain licenseMicrogrid testing and analysis at Idaho National Laboratory. Original public domain image from Flickr https://www.rawpixel.com/image/3325655/free-photo-image-cc0-creative-commonsFree Image from public domain licenseJohnson controls and grid work with volunteers to assemble and install a floating pv array on a walden water retention pond… https://www.rawpixel.com/image/3325575/free-photo-image-construction-worker-apparelFree Image from public domain licenseMicrogrid testing and analysis at Idaho National Laboratory. Original public domain image from Flickr https://www.rawpixel.com/image/3325665/free-photo-image-accessory-cc0-creative-commonsFree Image from public domain licenseNREL Site Operations has installed an EV Arc 2020 (Electronic Vehicle Autonomous Renewable Charger) outside the Research… https://www.rawpixel.com/image/3325553/free-photo-image-solar-energy-electric-vehicles-advertisementFree Image from public domain licensePresident George W. Bush visits Oak Ridge in 2004. The visit was highlighted with gas centrifuge components and uranium… https://www.rawpixel.com/image/3325536/free-photo-image-accessory-apparel-attorneyFree Image from public domain licenseFinal connections and troubleshooting are addressed on the 123kW solar electric system at the Wayne Aspinall Federal… https://www.rawpixel.com/image/3325624/free-photo-image-cc0-creative-commonsFree Image from public domain licenseSandia National Laboratory researcher uses light fibers in ways to test car batteries, determine landfill leakage, and help… https://www.rawpixel.com/image/3325531/free-photo-image-accessory-cc0-creative-commonsFree Image from public domain licenseSolar engineer works on one of several photovoltaic systems being evaluated for industry partners at Sandia National… https://www.rawpixel.com/image/3325693/free-photo-image-cc0-creative-commonsFree Image from public domain licenseEquipment at the Blacktail Mountain Snow Telemetry (SNOTEL) site near Lakeside, Mont., collects precipitation and air… https://www.rawpixel.com/image/3335144/free-photo-image-abies-antenna-cc0Free Image from public domain licenseSolar panel powering the well pump for stock water tanks in a newly re-located animal feeding operation for wintering… https://www.rawpixel.com/image/3335286/free-photo-image-cc0-creative-commonsFree Image from public domain license13,000 gallon livestock watering facility, Beaverhead County-Centennial Valley, MT. 2013. Original public domain image from… https://www.rawpixel.com/image/3335300/free-photo-image-antenna-banister-boatFree Image from public domain licenseThese solar panels generate electricity to pump water from the pit to a stockwater tank in this area of the rangeland. Photo… https://www.rawpixel.com/image/3335849/free-photo-image-arbuckle-ranch-cc0-creative-commonsFree Image from public domain licenseStacking hay using a beaverslide. Original public domain image from Flickr https://www.rawpixel.com/image/3335551/free-photo-image-agronomy-antenna-beaverslideFree Image from public domain licenseOil Spill Prevention, Control, Countermeasure (SPCC) ag secondary containment facility in Jefferson County, MT. 2013.… https://www.rawpixel.com/image/3335821/free-photo-image-air-aircraft-airplaneFree Image from public domain licenseSUNation Solar Systems Residential Installation. Original public domain image from Flickr https://www.rawpixel.com/image/3322626/free-photo-image-solar-panels-cc0-creative-commonsFree Image from public domain licenseThe Golden 1 Center in Sacramento, CA. Original public domain image from Flickr https://www.rawpixel.com/image/3322815/free-photo-image-apartment-building-architecture-arenaFree Image from public domain licenseKeeping solar thermal collectors clean is important in optimizing solar gain efficiency. Original public domain image from… https://www.rawpixel.com/image/3322812/free-photo-image-car-roof-automobile-carFree Image from public domain licenseGenerating 5 megawatts of solar power, the Lincoln Electric System community solar facility was the first utility-scale… https://www.rawpixel.com/image/3322832/free-photo-image-cc0-creative-commonsFree Image from public domain licenseOn a cool, autumn day, the warm sun sets on this 7.4kW array at Parkchester Apartments in SE Washington, DC with the city… https://www.rawpixel.com/image/3322825/free-photo-image-cc0-creative-commonsFree Image from public domain licenseSUNation Solar Systems Commercial Installation. Original public domain image from Flickr https://www.rawpixel.com/image/3322823/free-photo-image-solar-panels-cc0-creative-commonsFree Image from public domain licenseThe University of Central Florida supports and uses solar energy to produce electricity for many buildings across campus.… https://www.rawpixel.com/image/3322722/free-photo-image-aircraft-airplane-cc0Free Image from public domain licenseRooftop solar array being installed in Broward County FL. Original public domain image from Flickr https://www.rawpixel.com/image/3322871/free-photo-image-cc0-creative-commonsFree Image from public domain licenseThis picture shows a solar farm built in Uxbridge, MA. It is composed of two separate arrays totaling 3.9 MW DC. Original… https://www.rawpixel.com/image/3322711/free-photo-image-cc0-creative-commonsFree Image from public domain licenseA community solar farm harvesting electrons in Maine. Original public domain image from Flickr https://www.rawpixel.com/image/3322709/free-photo-image-cc0-creative-commonsFree Image from public domain licenseA rooftop array in Boothbay Harbor in Maine. Original public domain image from Flickr https://www.rawpixel.com/image/3322622/free-photo-image-aircraft-airplane-cc0Free Image from public domain licenseSUNation Solar Systems Commercial Installation. Original public domain image from Flickr https://www.rawpixel.com/image/3322824/free-photo-image-cc0-cpcafterpics-creative-commonsFree Image from public domain licenseGenerating 5 megawatts of solar energy, the LES community solar facility in Lincoln, Nebraska is the largest and first… https://www.rawpixel.com/image/3322712/free-photo-image-solar-panels-20161202solarpanels-101jpgFree Image from public domain licenseGorgeous evening on a solar array installation in Delran, New Jersey. Original public domain image from Flickr https://www.rawpixel.com/image/3322879/free-photo-image-solar-panels-cc0-creative-commonsFree Image from public domain licenseThis stunning shot of SunPower photo-voltaic panels on a majestic Dennis, MA home was taken by Todd Druskat, solar expert… https://www.rawpixel.com/image/3322721/free-photo-image-cc0-creative-commonsFree Image from public domain license25 kW solar array on the roof of St John's Episcopal Church, Boulder, CO. Array completed in 2016 in accordance with… https://www.rawpixel.com/image/3322829/free-photo-image-architecture-asphalt-automobileFree Image from public domain licenseJOHNSON CONTROLS AND GRID WORK WITH VOLUNTEERS TO ASSEMBLE AND INSTALL A FLOATING PV ARRAY ON A WALDEN WATER RETENTION POND… https://www.rawpixel.com/image/3322562/free-photo-image-solar-panels-bridge-buildingFree Image from public domain licensePhoto of industrial scale solar panels taken at dawn in Columbia, Missouri. Original public domain image from Flickr https://www.rawpixel.com/image/3322878/free-photo-image-cc0-creative-commonsFree Image from public domain licenseInspecting the panels on an evening ride. Centralia, MO. Original public domain image from Flickr https://www.rawpixel.com/image/3322629/free-photo-image-animal-cc0-creative-commonsFree Image from public domain licenseGenerating 5 megawatts of solar power, the Lincoln Electric System community solar facility was the first utility-scale… https://www.rawpixel.com/image/3322817/free-photo-image-aerial-view-cc0-creative-commonsFree Image from public domain licenseA 2.2 MW sub-array at the Old Midville solar project in Millen, Georgia. This image was taken on the first full day of… https://www.rawpixel.com/image/3322811/free-photo-image-solar-panels-cc0-creative-commonsFree Image from public domain license