U.S.-Mexico Border Fence Isolates Wildlife

em>LA Times, 7/7/2009
Walls built along the U.S.-Mexico border don’t just keep human families apart.
Biologists say the barriers also threaten such wildlife species as bighorn sheep and pygmy owls, isolating populations and narrowing the gene pool. Pygmy owls, who sometimes fly low to the ground, may find their flight patterns disrupted by high fences or walls. [...]

Mexico’s Aviacsa airline grounded for third time in a month

USA Today, 7/7/2009
Mexico has grounded carrier Aviacsa for the third time in a month, saying the airline owes the government 292 million pesos ($22 million) for the use of Mexican airspace.
The Transportation and Communications Department says in a statement that the suspension will end when the airline pays up.
Aviacsa said Monday that it is paying [...]