NASA scientists are flying over Alaska and Canada, measuring the elevation of rivers and lakes. Original from NASA.… https://www.rawpixel.com/image/440080/river-drone-shotFree Image from public domain licenseThe U.S. Coast Guard Cutter Healy in the Beaufort Sea, northeast of Barrow, Alaska. Original from NASA . Digitally enhanced… https://www.rawpixel.com/image/418611/icy-seaFree Image from public domain licenseThe terrain for the scientific work conducted by ICESCAPE scientists on July 4, 2010. Original from NASA. Digitally enhanced… https://www.rawpixel.com/image/440648/ice-sheetFree Image from public domain licenseThe Exploring Earth Science Teacher Workshop at Shenandoah National Park. Free public domain CC0 photo. https://www.rawpixel.com/image/6198220/photo-image-public-domain-nature-woodsFree Image from public domain licenseAfrican man architecture sunglasses fashion. https://www.rawpixel.com/image/13696960/african-man-architecture-sunglasses-fashionView licenseNASA Launches Eighth Year of Antarctic Ice Change Airborne Survey. Original from NASA . Digitally enhanced by rawpixel. https://www.rawpixel.com/image/440051/free-photo-image-antarctica-mountain-nasaFree Image from public domain licenseICESCAPE scientists watched from the deck of the Healy as it cut a path through thick multiyear ice on July 6, 2011.… https://www.rawpixel.com/image/440127/free-photo-image-ice-ocean-nasaFree Image from public domain licensePNG Desert adult woman contemplation. https://www.rawpixel.com/image/13689368/png-desert-adult-woman-contemplationView licenseMiddle Eastern Men walking desert outdoors. https://www.rawpixel.com/image/13708119/middle-eastern-men-walking-desert-outdoorsView licenseMiddle Eastern Men walking desert standing. https://www.rawpixel.com/image/13708100/middle-eastern-men-walking-desert-standingView licenseMiddle Eastern Man standing outdoors walking. https://www.rawpixel.com/image/13708269/middle-eastern-man-standing-outdoors-walkingView licenseDesert adult woman contemplation. https://www.rawpixel.com/image/13468214/desert-adult-woman-contemplationView licenseThe Exploring Earth Science Teacher Workshop at Shenandoah National Park. Free public domain CC0 photo. https://www.rawpixel.com/image/6198236/photo-image-public-domain-nature-woodsFree Image from public domain licenseThe Exploring Earth Science Teacher Workshop at Shenandoah National Park. Free public domain CC0 photo. https://www.rawpixel.com/image/6198226/photo-image-public-domain-nature-woodsFree Image from public domain licenseThe Exploring Earth Science Teacher Workshop at Shenandoah National Park. Free public domain CC0 photo. https://www.rawpixel.com/image/6198242/photo-image-public-domain-nature-woodsFree Image from public domain license