Matthew Peleshok‘s animation provides a simplified version of how oil refineries work to break down crude oil.

A 16×9 investigation has discovered there are hundreds of sunken ships in Canadian waters, some of which have leaked oil in the past and are at risk of doing so again. Besides the environmental concerns, there are also financial hazards dealing with these shipwrecks. The federal government has spent close to $30 million over the past few years cleaning up spills from multiple ships that have corroded under Canadian waters. Ben Simpson‘s infographic explores who bears the financial burden of cleaning them up.

Oil has a history of building itself up and then letting us down.