SEMARNAT (Secretariat of Environment and Natural Resources)

New Capabilities

Oversaw the Durango reintroduction

In the 1970s, federal agents captured the last wild Mexican gray wolves in northern Mexico, seven animals that became the founders of a captive breeding program. Fifty years later, two packs descended from those wolves were released into Durango's Sierra Madre Occidental, their first wild home in Mexico since the subspecies vanished there.

Updated Sep 25

New Capabilities

Monitors reintroduced herds and reports births

For roughly 160 years, American bison were absent from northern Mexico, hunted out by the late 1800s. In 2025, conservationists brought 47 back to El Santuario reserve in Coahuila; calves at both reintroduction sites show the herds are settling in.

Updated Sep 22

New Capabilities

One of three agencies that cleared Oifirax

Mexican grape growers now have the world's first commercially approved RNA-based fungicide. Oifirax, developed by U.S. biotech GreenLight Biosciences, uses double-stranded RNA to silence the CYP51 gene the powdery mildew fungus needs to make ergosterol, a component of fungal cell membranes.

Updated Sep 3