Dealing with economic crises, environmental pressures and dwindling resources keeps the oil and gas industry constantly on its toes, says Kate McAlpine.

Ice cubes don't increase the water level in your cup as they melt, so why are melting icebergs raising the oceans?.

A decades-long tug of war between environmental and indigenous groups on one hand and the Brazilian government on the other came to a close yesterday when a Brazilian energy consortium won the right to build what will become the world's third-largest dam.