Topic: Ash Cloud

The Icelandic Met Office is monitoring the Barda Boonga volcano, which has shown signs of sub-glacial eruption. The aviation color code has been raised to red, sparking fears of a repeat of the 2010 ash crisis that grounded European flights. Skeptics suggest the timing of the "ash crisis" may be linked to geopolitical tensions in Ukraine and the need for control over European airspace.

Qantas Airlines grounds flights due to a volcanic ash cloud, a move that proponents of high-speed rail use to argue for the "resilience" of train travel. Meanwhile, China prepares to launch nearly 200 bullet trains daily between Beijing and Shanghai, a project highlighted by the New York Times as a major shift in regional infrastructure.