Anti-fracking activists say they're being targeted by law enforcement agencies that work with the oil and gas industries to monitor threats to infrastructure.
The long-delayed project is a jobs generator to some and an ecological disaster to others. Ahead of a key Senate vote, we revisit what the Keystone XL pipeline would do and why it's so contentious.
Hungary's national gas operator says the "indefinite" cutoff is over domestic supply concerns, but the move comes just days after the CEO of Russia's Gazprom monopoly visited Budapest.