"The national oil company created after the 1938 seizure, Pemex, is entering a period of turmoil. Oil production in its aging fields is sagging so rapidly that Mexico, long one of the world's top oil-exporting countries, could begin importing oil within the decade."

"One of the stickiest points in international climate change negotiations is how to account for carbon dioxide and other greenhouse gas emissions produced to make goods that are then sold for export."

"San Joaquin Valley farmers hope for $3.3-billion dam and reservoir at Temperance Flat, but they need help paying for it."

"Activists in Mexico complain that the deforestation threatening the environmental health of Mexico has been accentuated by the granting of public areas to private companies."

"Two billion people worldwide do their cooking on open fires, producing sooty pollution that shortens millions of lives and exacerbates global warming. If widely adopted, a new generation of inexpensive, durable cook stoves could go a long way toward alleviating this problem."

"Diplomacy and energy are never far apart in the Persian Gulf. So, as American officials seek new international sanctions against Iran this week, it’s probably wise for them to remember how much the world’s global energy map has changed over the past decade."

"Not many years ago, there wasn't enough wind power coming from the Great Plains to worry about. Now there is, and lots of people are worrying."

"U.S. Environmental Protection Agency Administrator Lisa P. Jackson said Monday her agency is not seeking to halt mountaintop removal, but will 'try to minimize, if not end, any environmental degradation to the water' caused by the practice."

"The Supreme Court declined today to review a lower court's ruling prohibiting U.S. EPA from suspending normal emissions standards for major pollution sources during "startup, shutdown and malfunction" (SSM) periods."

"Proposals to block Asian carp from invading the Great Lakes have largely focused on the costs and inconvenience of closing off Chicago-area waterways into Lake Michigan. But now business and environmental groups are exploring a possible upside: a broadly based infrastructure investment that would benefit much of northern Illinois."