Conservation

It has been two hours since the divers left the coast behind. As they reach their designated GPS points in the Gulf of Mexico, their boats’ engines go from roaring to whispering. In pairs, they enter the Celestún Fishing Refuge Zone, one of the largest in Mexico. Their ritual is …

In the arid region south of Mexicali, where the pale desert dominates the landscape, the Las Arenitas wetland feels like a mirage. But it is real, and is an oasis for endemic and migratory birds that cross the Colorado River delta. Here, just south of the US-Mexico border, used water …