"Tropical storm Carlotta strengthened off Mexico's Pacific coast on Thursday and was expected to become a hurricane on Friday, the U.S. National Hurricane Center said."

"A group of U.S. Democratic lawmakers on Thursday urged President Barack Obama to threaten Mexico with cuts in economic assistance if the southern neighbor continues to pursue a trade case that has put U.S. 'dolphin-safe' tuna labels at risk."

"The international trade court has effectively outlawed the sale of dolphin-friendly canned tuna in American supermarkets, ruling such labels were unfair to Mexican fishermen."

"GUADALAJARA, Mexico -- For over 500 years, the Wixaritari Indians of Mexico have suffered from poverty, malnutrition and racism -- today, they are also victims of global climate change."

"COATZINTLA, Mexico — For seven decades, Pemex, Mexico’s state-owned oil monopoly and a mainstay of the government’s revenue, regulated itself — which is a polite way of saying it could do pretty much as it pleased."

"MEXICO CITY — Two years after the worst offshore oil spill in U.S. history, Mexico's state oil company is about to test its hand at drilling at extraordinary depths in the Gulf of Mexico."

"A severe drought in Mexico that has cost farmers more than a billion dollars in crop losses alone and set back the national cattle herd for years, is just a foretaste of the drier future facing Latin America's second largest economy."