Try as so many private and government organizations might, switching everywhere on Earth over to clean, renewable energy -- including some strange sources being explored-- is still a long way away.

An increasingly hot-button issue, oil rigs have become the physical embodiment of larger economic and environmental debates, garnering praise from conservative politicians and the ire of environmental ...

HOUSTON, Aug 5 (Reuters) - The falling number of oil and gas rigs deployed across the United States is reaching a level that would indicate onshore crude output from the world's top producer could ...