"Mexico's oil regulator is sounding an alarm over plans by the country's state oil monopoly to drill two ultra-deep-water wells near U.S. waters this year, saying neither the company nor his commission is prepared to handle a serious accident or oil spill there.

"MONTREAL -- The transboundary movement of spent lead-acid batteries in North America has environmental and public health consequences to communities in Mexico that are the subject of a new investigation by the Secretariat of the Commission for Environmental Cooperation, CEC."

"A drought that a government official called the most severe Mexico had ever faced has left two million people without access to water and, coupled with a cold snap, has devastated cropland in nearly half of the country."

"Sea currents act like a conveyor belt, depositing trash on a remote stretch of sand in an ecologically rich region of coral reef and mangrove forests. Locals can only pick up the pieces, bit by bit."

"Mexico’s Laguna Region is famed as the country’s largest milk-producing area. But overexploitation of groundwater resources has combined with the effects of climate change to give the region a more dubious distinction. The remaining water supplies are contaminated with arsenic, and related rates of cancer are well above the national average."

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"MEXICO CITY — Mexico’s social development secretary says an estimated 600,000 households suffered property damage or crop losses due to an unusual combination of floods, drought and freezing weather in 2011. Heriberto Felix Guerra says the drought has been so bad that about 2.6 million people in about 1,650 villages and towns in northern Mexico do not even have drinking water."

"NAUCALPAN DE JUÁREZ, Mexico — The spent batteries Americans turn in for recycling are increasingly being sent to Mexico, where their lead is often extracted by crude methods that are illegal in the United States, exposing plant workers and local residents to dangerous levels of a toxic metal.

"TUCSON -- For the first time since 2009, a jaguar has been found roaming the wilds of southern Arizona. The jaguar was photographed by a hunter on Saturday and confirmed by the Arizona Game and Fish Department to be a roughly 200-pound male in good condition."

"LINCOLN, Neb. -- The closing of the country’s last meat processing plant that slaughtered horses for human consumption was hailed as a victory for equine welfare. But five years later just as many American horses are destined for dinner plates to satisfy the still robust appetites for their meat in Europe and Asia."