Rep. Lisa Fink said she understands geoengineering can be controversial and some people attach it to the “chemtrails” conspiracy theory.

So he wants Arizona to sue any person from any other state or country whose emissions damage the air quality here.

Kevin Harris, who was promoted last month to be Sierra Club’s chief strategy officer, has resigned from the environmental organization in the wake of reporting about his lobbying activities.

Save the Scenic Santa Ritas, the Center for Biological Diversity, the Arizona Mining Reform Coalition and the Sierra Club’s Grand Canyon Chapter filed a lawsuit in November 2017 challenging the Forest ...

Sierra Club announced a shake-up in its leadership ranks as two of the environmental group’s senior employees are exiting the nonprofit. Phil Radford, Sierra Club’s chief strategy officer ...

A night that was years in the making came to a head last week when Arizona State University’s women’s flag football club made ...

After announcing the Arizona State University women’s flag football club a year ago, the Sun Devils competed in their debut game, falling to Grand Canyon University.