NASA’s temporary ice-observation mission is going stronger than ever
If Greenland’s ice sheet were to disappear entirely some day, it would reveal the world’s longest canyon, stretching northward some 750 kilometers (about 470 miles) from the center of the island. We know this thanks to observations made by Operation IceBridge, which has been operated by the U.S. National Aeronautics and Space Admiistration since 2009.
Access to content from the Arctic Knowledge Archives is available to Passport holders only.
Arctic Today is a non-profit organization, supported by donations from readers like you. While we strongly believe in giving free access to current news for all readers, we reserve content older than one year for our supporters. All individual contributions of at least $20/month or $150/year will receive a Passport to the Arctic Knowledge Archives. Help us drive the leading non-profit editorial team dedicated to delivering context, information and analysis about events in the Arctic.
Already have a Passport? Sign in
Choose your level of support and unlock your Arctic Today Passport.
- Monthly
- Annually
- Groups & Institutions
Individual Monthly
$20.00
Month
Individual Annual
$150.00
Year
Individual Monthly
$20.00
0
Individual Yearly
$150.00
0
