Though shifts in demand and reduced production by some major producers have influenced oil prices, investor behavior is also increasing market volatility.

Debating global warming policy has moved to the top of agendas worldwide, but some skeptics still question whether action is necessary or possible.

With talk of deploying NATO peacekeepers to patrol the Lebanese border, the alliance is tackling new challenges outside of Europewhile looking to recruit new members. Not everyone, however, supports …

South America faces energy shortfalls at the same time that several countries have nationalized energy resources. Experts say a lack of cooperation on energy policy could hinder regional economic gro…