We tend to think of the oceans as quiet, when in fact they're anything but. Noise is the "forgotten pollutant", but the good news is that unlike many other pollutants it can be switched off if we try.
Marine parks need to cover large swathes of ocean, but they also need to cover the right areas if they are to deliver the best conservation. New research off Australia's northwest suggests how.
Offshore drilling debates boil down to "Drill, baby, drill" versus "spill, baby, spill." But economists say the right question is when we know enough to drill safely – and often that means waiting.
Shell is going back to the Arctic to explore offshore drilling, but the company and the Department of Interior are not using the best practices for avoiding the risk of a spill.
A flock of scientists turned their focus to understand the Deepwater Horizon's impact, including one team that studied deep-sea corals.
Five years after the Deepwater Horizon oil spill, the Obama administration is looking to expand offshore drilling. Is it any safer today?