Scientists urge $2-3 billion study of ocean health

OSLO (Reuters) - Marine scientists called on Sunday for a $2-3 billion study of threats such as overfishing and climate change to the oceans, saying they were as little understood as the Moon.

A better network of satellites, tsunami monitors, drifting robotic probes or electronic tags on fish within a decade could also help lessen the impact of natural disasters, pollution or damaging algal blooms, they said.