A coal seam fire in Australia has been burning for a month. See the battle against the mountain of fire.
Taking into account the gas leaked during the BP disaster in the Gulf of Mexico last year indicates the spill was 33 percent larger than estimated.
Living and working within 100 meters (328 feet) of a gas station increases exposure to toxic chemicals.
Environmental groups worry that Greenland's tiny population of Europeans and Inuits may end up on the losing side of that raw material diplomacy.
When it comes to diluting fossil fuel with bio-alternatives, some biofuel crops are as black as coal.