Oilsands critics say Alberta energy regulator is denying them right to speak

As part of the deal, the Lundin Family Trust also agreed increase its stake in the company from 17.7% to 19.9%.

If developed, the $2.4 billion Jadar lithium project in Western Serbia could cover 90% of Europe's current lithium needs.

Environmental campaigners are challenging the approval of a coking coal mine in northwest England.

Barrick Gold's second-quarter gold output edged up by almost 0.9% from the previous three months.