At least Cameron has the bona fides to act as an oil sands critic, unlike anti-seal hunt crusaders from Brigette Bardot to Sir Paul McCartney.

FORBES: What Does Avatar Have In Common With Canada's Oil Sands?

Bolivia and Brazil's Petrobras, seal agreement on transfer of oil refineries.

CENTERFORSECURITYPOLICY: Democrats pushing Colombia away?

When a Cirrus owner unwittingly breaks an oil dipstick or scuffs up an aileron gap seal, photographs accompany the offense.

FORBES: Faith, Trust and Networks

We ought to be ruthless in our oversight of BP, and trying to understand what oil is not being contained that's leaking out around that rubber seal, once we know what that flow rate is.

WHITEHOUSE: Daily Press Briefing

Even Syria, which has long been accused of turning a blind eye to the infiltration of jihadis from its territory, has promised to seal its borders better, and perhaps even to expand the capacity of pipelines taking Iraqi oil to its Mediterranean ports.

ECONOMIST: Arab foreign policy

If a stable column of mud has been set up in the well, keeping the oil at bay through its sheer weight, the next step would be to set cement in the well and seal it off permanently.

ECONOMIST: Nerves are fraying a month after the Gulf of Mexico oil spill