The fragile fringe of West Antarctica

Expedition to a crumbling Antarctic ice shelfBy Ted Scambos / NSIDC[wpcol_1half id=”” class=”” style=””]November 4, 2011: With preparations in place, I asked if I could tag along with a NASA group here working on Operation IceBridge, an airborne mapping and measurement program intended to bridge the gap between the ICESat satellite (a laser-ranging mission that…

Waleed Abdalati (NASA): Dramatic Changes in Polar Ice

Video: Welcome to the NASA Earth Exchange (NEX) Virtual Workshop live stream channel. Stay tuned to listen to featured keynote speakers covering research themes from climate modeling to remote sensing applications and high performance computing in Earth Sciences – Watch them live or browse through lectures from the video library. Please visit the NEX Virtual…

Warming Arctic, Changing Planet

On November 12, 2012 The Lamont-Doherty Earth Observatory, Earth Institute, Columbia University and Quebec Government Office presented an exciting discussion about the effects of climate change on the Arctic. Experts highlighted how Arctic sea ice, climate, marine mammals, tundra, and indigenous communities have been affected by and are adapting to climate change. In addition, each…

Arctic Ocean ‘acidifying rapidly’

BBC: The Arctic seas are being made rapidly more acidic by carbon-dioxide emissions, according to a new report. Scientists from the Arctic Monitoring and Assessment Programme (AMAP) monitored widespread changes in ocean chemistry in the region. They say even if CO2 emissions stopped now, it would take tens of thousands of years for Arctic Ocean chemistry to…