Study Finds 96 Percent Of National Parks Have Significant Levels of Air Pollution
The study also found that climate change is a significant concern for most national parks.
Grijalva Pushes to Modernize 147-Year-Old Mining Law
The U.S. representative from Tucson is spearheading an effort to reform the nation's hard-rock mining laws.
'Bike Ranch' Proposed Across From Saguaro National Park East
The Pima County Board of Supervisors will vote later this month whether to approve the development in the park's buffer zone.
Trump Administration Seeks to Build Border Wall Across Protected Lands
Environmental groups say a new wall would further endanger wildlife and habitat along the border.
Coronado National Forest to Increase Recreation Fees
Starting later this year, the cost of entrance at sites like Sabino Canyon or Madera Canyon will go up.
State Seeks Public Comment on Proposed New Interstate
The Arizona Department of Transportation has released its preferred route for a new interstate from the Mexican border to north of Phoenix.
Local Water Utilities Fight Unregulated Contaminants
While the EPA weighs regulating the chemicals, Tucson and Marana Water are moving ahead with treatment.
Climate Change Making Southwest Hotter
A UA professor lays out the changes for congressional committee.
Proposed Arizona Highway I-11 Generates Support, Opposition
Some are calling a smart step toward boosting trade, while others say it's unnecessary and warn of its environmental impact.
Desert Museum Welcomes Ocelot Kitten
Pictures of the kitten were headlined "cuteness overload" on social media.
Tohono O'odham Nation Establishes Youth Conservation Group
Congress passed a bill that created the Indian Youth Corps in March.
Jaguar Recovery Plan Envisions Sprawling Habitat Areas
The plan from the U.S. Fish and Wildlife Service drew criticism from environmental groups.
Biodiversity Roadmap Calls For Conserving Ecosystems to Save the World
An author of the study says preservation is essential to meeting carbon goals and to stabilizing vital, interconnected systems.
$220M Available to Small Businesses to Clean Up Navajo Uranium Mines
The funding comes from a $1.7 billion settlement from a company that mined the region.
UA Researchers Study Impact of Elephants on South African Landscapes
Elephant populations are prospering but causing problems for grassland tree and vegetation growth.
