Items by Mitch Tobin
Condor 134’s harrowing experience with lead poisoning exemplifies these endangered birds’ greatest challenge – which some advocates hope to ease by banning lead bullets in California
Arizona rancher and investment banker Jim Chilton wins a $600,000 judgment for libel against The Center for Biological Diversity
A wildfire on Arizona’s Mount Graham almost reached the University of Arizona’s controversial mountaintop telescopes – and may yet destroy an already endangered squirrel
Game managers and environmentalists disagree on the usefulness of artificial water holes for game; environmental groups say they spread disease, attract killer bees, and give predators a convenient spot to ambush prey. The Arizona Game and Fish Department
Phelps Dodge wants to open a big copper mine near Safford, Ariz., but some critics say that the company’s planned land swap is a rip-off, and that the mine may have harmful environmental impacts
A new study by a team of biologists shows little is being done to save a dozen of the Southwest’s threatened and endangered native fish species
The Interior Department is considering restarting the Yuma Desalting Plant, and environmentalists fear the plant’s salty runoff could destroy Mexico’s Cienega de Santa Clara – the Sonoran Desert’s largest wetland
The environmental group Forest Guardians outbids a rancher to gain control of a grazing allotment on state school-trust land in Arizona
Tucson, Ariz., mountain bikers are pushing the Park Service to reopen the Cactus Forest Trail in Saguaro National Park
In Arizona’s Ironwood Forest National Monument, ranchers, recreationists and illegal immigrants are all fighting for space
The Border Patrol wants to erect 249 miles of fences along the Arizona-Mexico border, and some environmentalists are worried about their impact on desert wildlife.
Southern Arizona cities are importing cacti from west Texas, and demand is beginning to outstrip the natural supply.
Road closures to protect endangered Sonoran pronghorn in Ariz.'s Cabeza Prieta Nat'l Wildlife Refuge and Organ Pipe Cactus Nat'l Monument will keep the public out, but may not stem the tide of drug smugglers, illegal immigrants and Border Patrol agents.
Tucson pilot Sandy Lanham wins a MacArthur "genius grant" for her work flying scientists and conservationists while charging no more than the cost of fuel and airport fees.
Arizona State Parks is fighting a proposal resort near Benson, Ariz., which some fear could harm the nearby Kartchner Caverns.
The U.S. Park Rangers Lodge of the Fraternal Order of Police lists the 10 most dangerous national parks in the country.
In Phoenix, Mark Warren Sands is charged with burning down eight trophy homes, but the June arsons that burned three brand-new, vacant luxury homes in Tucson's Pima Canyon Estates remain a mystery.
At the Buenos Aires National Wildlife Refuge in Arizona, ranchers, environmentalists and agencies are at odds over whether grazing could help beat back an exotic grass, Lehmann lovegrass.
- on Jim Deacon, pioneering desert fish biologist, dies
- Larry Bullock on Ranch Diaries: A New Mexico cattle company is born
- Randy Piper on Bark beetle kill leads to more severe fires, right? Well, maybe
- Delaine Spilsbury on The water czar who reshaped Colorado River politics
- Buck Drew on Chainsaw diplomacy