“Nature is our best ally in the fight against climate change,” said Shannon Estenoz, assistant secretary for fish, wildlife and parks, after a tour of the park’s buffelgrass control area ...

It took close to a decade to bring buffelgrass under control at the Waterman site through a sustained herbicide campaign led by Scheuring. Then, the focus shifted to making the disturbed land ...

The highway would disturb hundreds of archaeological and cultural sites significant to several Arizona tribes and lead to more wildfires by helping spread invasive buffelgrass. Along its proposed path ...