More must be done to prevent damage of ocean data buoys that costs money, vital data — and lives, say Sidney Thurston and M. Ravichandran.

The Samoan earthquake highlights worrying shortcomings in Pacific early warning systems, says Richard Hamblyn.

Dredging India's Sethusamundram ship channel poses environmental risks, and could even magnify future tsunami damage, says C.P. Rajendran.

Nalaka Gunawardene argues that governments in disaster-prone areas need stronger partnerships with the media to ensure that information gets rapidly where it is needed during emergencies.