As U.S. lawmakers debate a cap-and-trade policy to combat climate change, experts say coal will continue to be a major part of the world’s energy mix, which will likely complicate efforts to curb gre…

The Gulf of Mexico oil spill spotlights the growth of deepwater drilling and the challenges of balancing strong environmental regulation with efforts to expand U.S. domestic oil production.

The African Union succeeded the old Organization for African Unity (OAU) in 2002. Since then, the new institution has struggled to reform governing bodies inherited from the OAU while shouldering cha…

Democratic congressional leaders say improving energy security is a priority. But while there is broad interest in lessening U.S. dependence on foreign oil and in promoting renewable fuels, comprehen…

Experts say Islamic law, or sharia, holds wide appeal for Muslim populations in many countries and is beginning to spread via democratic means, but it is also being used as a tool of Islamic militanc…