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This ASTER image, acquired on July 23, 2001, shows Aletsch Glacier, the largest glacier of Europe. (Image by NASA Earth Observatory Team, based on data provided by the ASTER Science Team)

Sizing up Earth's Glaciers

In the Alps, glaciers are retreating and disappearing every year, much to the dismay of mountain climbers, tourist agencies, and environmental researchers.
Feature Article
July 28, 2020
In 1990, slow-moving pahoehoe lava from Kilauea Volcano gradually spread through the community of Kalapana, burning homes and covering parks, roads, and gardens. (Image courtesy of USGS)

Sensing Remote Volcanoes

In October 2001, a volcano in the remote South Sandwich Islands began spewing ash and lava. Less than 24 hours after the eruption began, a research team nearly 9,000 miles away was estimating how much energy the volcano was producing.
Feature Article
July 28, 2020
The Yangtze Delta is home to more than eighty million people in an area only a little larger than the state of Indiana.

Repatterning the World

As wildlands shrink, scientists study the ecologies that people have tamed.
Feature Article
July 28, 2020
Sunflowers in Fargo, North Dakota

Perspective on Plants

Landowners and land managers monitor their land's health through a variety of methods. But what about people who own or manage millions of acres?
Feature Article
July 23, 2020
Nomadic people, such as this woman and her cattle, formed the pastoral society common in Kazakhstan before the Soviet Union converted thousands of acres to large-scale modern farm operations.

Notebook and Satellite

A simple tool helps a scientist open the remotely sense world to her students.
Feature Article
July 22, 2020
This map shows the population density in Europe in 1995. (Image courtesy of the Socioeconomic Data and Applications Center).

Measure for Measure

DINAS-COAST scientists create software to better understand coastal vulnerability to sea level rise under a variety of climate and socioeconomic scenarios.
Feature Article
July 22, 2020
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