Quantcast
Environmental News for a Healthier Planet and Life

Seeing Climate Change From Space: NASA Creates Image-Based iPad App

Climate
Seeing Climate Change From Space: NASA Creates Image-Based iPad App

Perspective is everything.

We humans have made great progress to get to this unique point in our history. But those very strides now pose us with the greatest challenges. The combination of a booming population, increasing industrialization and the ability to exploit Earth’s natural resources like never before is, quite literally, changing the face of our planet.

Petermann Glacier melt, Greenland. Left: June 26, 2010. Right: Aug. 13, 2010. Images taken by the Enhanced Thematic Mapper Plus sensor aboard Landsat 7. Source: USGS Landsat Missions Gallery, U.S. Department of the Interior / U.S. Geological Survey and NASA Earth portal.

NASA’s new Images of Change iPad app tracks this changing face, giving a global perspective on our planet in flux.

The app offers a collection of some of the best before-and-after image pairs from this site, NASA’s Webby-award-winning Global Climate Change website. The site is a larger effort to make information about climate change, images and interactive tools more accessible to citizens and decision makers, which is also a key aspect of President Obama’s Climate Action Plan

The dramatic retreat of Pedersen Glacier in Alaska. Left: summer 1917. Right: summer 2005. Photo 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.

The Images of Change app—currently geared for the iPad but with versions for iPhone and Android platforms in the works—shows places that have changed dramatically over days, years or centuries. Some of these locations have suffered a disaster, such as a fire or tsunami, or illustrate the impact of human activities, such as dam building or urban sprawl. Others document the ravage of climate change such as persistent drought and rapidly receding glaciers. Viewers can look at the images side-by-side or overlay them using a slider bar to travel from past to present. Each image pair includes background information on what the viewer is seeing and its location on a map.

The app is a spin-off from our Images of Change gallery project launched in 2009. With nearly 300 image sets, taken mostly from space but also at ground level, the gallery is one of the more popular parts of the Global Climate Change website. Seeing is believing, and climate change can feel like a rather abstract concept at times. It can seem like a far-off, "not-going-to-affect-me" type of thing, and it’s definitely easier not to think about it. But the images are hard to ignore. They offer a compelling view of how our planet is changing before our eyes. The app, which curates a subset of the gallery content, allows people to explore climate change for themselves and draw their own conclusions.

Fields of green springing up in the desert of Saudi Arabia, which involves tapping hidden reserves of water trapped during the last Ice Age. Photo credit: Images taken by the Thematic Mapper sensor onboard Landsat 4 and 5, and the Enhanced Thematic Mapper Plus sensor onboard Landsat 7. Source: NASA/Aries Keck, NASA Goddard Space Flight Center.

When you think of NASA, you might think of robotic vehicles roving on Mars, or probes flying out into the solar system, or the Hubble space telescope peering back into the distant past of our universe. But the agency has for a long time been at the forefront of research into our climate, with its fleet of “eyes on the Earth”—more than a dozen satellites orbiting over us and a slew of aircraft carrying scientific instruments—as well as an army of scientists on the ground making measurements and analyzing models and data.

Centuries of planet-watching tell us that climate change is real, it’s happening now—and human beings are the cause. The latest climate reports to come out of the U.S. and United Nations are sobering. Places like the West Antarctic ice sheet are passing the point of no return, and the destructive and expensive extreme events we’re seeing now (floods, super storms, heat waves, drought, wildfires, et al) are likely to get worse.

The impact of the Yacryeta Dam, a joint hydroelectric project between Paraguay and Argentina that flooded surrounding lands. Left: 1985. Right: 2010. Credit: Images taken by the Thematic Mapper sensor onboard Landsat 5 and the Enhanced Thematic Mapper Plus onboard Landsat 7. Source: USGS Landsat Missions Gallery, "Parana River Diversion," U.S. Department of the Interior / U.S. Geological Survey.

Our way of life is built around the climate we are used to. As climate change marches on, can we adapt fast enough? Can we slow down or reverse climate change to manageable levels and be the careful stewards of the planet that some argue we should be? The unique, global perspective we get from space can help us see just how small, fragile and interconnected our planet really is. What happens next is up to us.

 

The Forest Vixen's CC Photo Stream. Flickr / CC BY 2.0


Spring is coming. And soon, tree swallows will start building nests. But as the climate changes, the birds are nesting earlier in the spring.


"It's getting warmer overall. They're thinking, OK, it's a good time to breed, to lay my eggs," says Lily Twining of the Max Planck Institute for Animal Behavior in Germany.

She says that despite recent warming, late-season cold snaps remain common. Those cold snaps can harm newborn chicks.

Hatchlings cannot regulate their body temperature, so they are vulnerable to hypothermia. And the insects they eat stop flying in cold weather, potentially leaving the chicks to starve.

"These chicks are growing very, very fast," Twining says. "They have very high energy demands, so… if they don't get a lot of that good high-quality food during this pretty specific time… that's when these cold weather events seem to be most devastating."

For example, data from Ithaca, New York, shows that a single cold snap in 2016 killed more than 70% of baby tree swallows.

"And there have been more and more of these severe cold weather die-off events for these tree swallows as they've been breeding earlier and earlier over the past 40 or so years," Twining says.

So for these songbirds, earlier springs can come with devastating consequences.

Reporting credit: Sarah Kennedy / ChavoBart Digital Media

Reposted with permission from Yale Climate Connections.

EcoWatch Daily Newsletter

An Exxon oil refinery is seen at night. Jim Sugar / Getty Images

Citigroup will strive to reach net-zero greenhouse gas pollution across its lending portfolio by 2050 and in its own operations by 2030, the investment group announced Monday.

Read More Show Less

Trending

The Arctic fox's coat changes from the mixed gold and black of summer to a mostly pure white fur in winter. Dennis Fast / VWPics/Universal Images Group via Getty Images

By Jacob Job

Maybe you've seen a video clip of a fluffy white fox moving carefully through a frozen landscape. Suddenly it leaps into the air and dive-bombs straight down into the snow. If so, you've witnessed the unusual hunting skills of an Arctic fox.

Read More Show Less
Young protesters participate in the Global Strike For Future march to raise climate change awareness in September 2019 in Brussels, Belgium. Thierry Monasse / Getty Images

By Brett Wilkins

An international survey conducted by the University of Cambridge and YouGov ahead of this November's COP26 United Nations Climate Change Conference, and published on Monday, found overwhelming support around the world for governments taking more robust action to protect the environment amid the worsening climate crisis.

Read More Show Less
A boy plays basketball in front of an oil well covered with large colorful flowers and located next to Beverly Hills High School. Wells like this have been hidden throughout Los Angeles. Faces of Fracking / Flickr

While the hazards of fracking to human health are well-documented, first-of-its-kind research from Environmental Health News shows the actual levels of biomarkers for fracking chemicals in the bodies of children living near fracking wells far higher than in the general population.

Read More Show Less