NASA iPad App Shows Earth Changing Before Your Eyes

The retreat of Pedersen Glacier, Alaska. Left: summer 1917. Right: summer 2005. The retreat of Pedersen Glacier, Alaska. Left: summer 1917. Right: summer 2005. Credit: 1917 photo captured by Louis H. Pedersen; 2005 photo taken by Bruce F. Molnia. Source: The Glacier Photograph Collection, National Snow and Ice Data Center/World Data Center for Glaciology.
› Larger image
  • submit to reddit

December 03, 2013

Human activities, a changing climate and natural disasters are rapidly altering the face of our planet. Now, with NASA's Images of Change iPad application, users can get an interactive before-and-after view of these changes.

The app presents pairs or sets of images of places around the world that have changed dramatically. Some of these locations have suffered a disaster, such as a fire or tsunami, or illustrate the effects of human activities, such as dam building or urban growth. Others document impacts of climate change such as persistent drought and rapidly receding glaciers.

"Images of Change gives users an astronaut's or Earth explorer's view of the changes occurring on our planet and demonstrates the important role NASA plays in contributing to the long-term understanding of Earth," said John Grunsfeld, NASA's associate administrator for science in Washington. "By utilizing ground-based and space-based observation systems, we are able to better understand how humans are contributing to a changing world."

Images of Change makes NASA climate change resources, images and interactive tools more accessible to citizens and decision makers, a key aspect of President Obama's Climate Action Plan. The image pairs are part of the larger Images of Change gallery on NASA's Webby-award-winning Global Climate Change website. The gallery includes satellite views as well as photos taken at ground level.

Viewers can look at the images side-by-side or overlay them using a slider bar to travel from past to present. Each image set includes background information on what the viewer is seeing and its location on a map.

"The Images of Change gallery is one of the more popular parts of the Global Climate Change website," said Amber Jenkins, editor of the website at NASA's Jet Propulsion Laboratory in Pasadena, Calif. "The gallery project, which began in 2009, helps people see just how our planet is changing over days, months, years and centuries. Seeing is believing, and the perspective we get from space helps us step back and see Earth as a whole."

The Images of Change iPad app is available as a free download at: http://go.nasa.gov/1bE3osn .

For more information on NASA's contributions to climate science, visit: http://climate.nasa.gov .

JPL is a division of the California Institute of Technology in Pasadena.

Alan Buis 818-354-0474
Jet Propulsion Laboratory, Pasadena, Calif.
Alan.buis@jpl.nasa.gov

Steve Cole 202-358-0918
NASA Headquarters, Washington
Stephen.e.cole@nasa.gov

2013-346

Images

NASA Administrator Charles Bolden explores NASA's new Images of Change iPad application.

NASA Administrator Charles Bolden explores NASA's new Images of Change iPad application. Image credit: NASA/JPL
› Full image and caption

enlarge image



Low-level clouds along the California coast are visible in this July 26, 2014 image Study of Aerosols Stands to Improve Climate Models

› Read more

Two new spaceborne Earth-observing instruments will help scientists better understand how global forests New NASA Studies to Examine Climate/Vegetation Links

› Read more

NASA's 10-year-old Aura satellite, which studies Earth's atmosphere A 10-Year Endeavor: NASA's Aura and Climate Change

› Read more


Get JPL Updates
Sign Up for JPL UpdatesRegister today and receive up-to-the-minute e-mail alerts delivered directly to your inbox.
Sign Up for JPL Updates