Originally Published by The Washington Post - The frozen landscape, dry valleys and active volcanoes that make up Antarctica provide a living laboratory for scientific study and a wondrous journey for those traveling to the ends of the Earth.
– On May 9, the daily mean concentration of carbon dioxide in the atmosphere of Mauna Loa, Hawaii, surpassed 400 parts per million (ppm) for the first time since measurements began in 1958.
– Seismic measurements show that in some regions of the Earth’s mantle, plate tectonics stagnates. The causes of the ‘congestion’ of the subducted plate are still unknown. In a new study, mineralogists from Germany explain the phenomenon for the first time.
Originally Published by Earth Today - After maintaining a low simmer for ten months, Italy's Etna volcano boiled over on February 19-20, 2013, with three outbursts in 36 hours.
– Formed during four explosive eruptions that took place between 300,000 and 90,000 years ago, the volcanic caldera is now home to human settlements and 17 younger volcanoes.