Arizona Sustainability News


Record visitors made national park problems worse
Multiple national parks in the western U.S. saw a record number of visitors in 2021. But that influx of guests only exacerbated the stress on already-aging infrastructure, staff and supply shortages.
Tonto Forest project expected to reduce wildfire risk
Officials with the Tonto National Forest are launching an improvement project to reduce the risk of wildfires. It will begin in February.
Jan. 16, 2022
Historic Phoenix neighborhoods more walkable, diverse
A report has found that Phoenix's historic neighborhoods are more walkable, have lower foreclosure rates and more diverse housing prices and more tree cover than other Phoenix neighborhoods.
Jan. 11, 2022
How long can Arizona rely on water that
Meeting Arizona’s water demand includes drawing from massive stores of water in underground aquifers. But some experts say groundwater is overtaxed and shouldn’t be seen as a long-term solution for a region where the water supply is expected to shrink in the decades to come.
Jan. 10, 2022
Worsening wildfires cause harmful pollutant overlap
The role of air pollutants in cardiovascular and respiratory illnesses and deaths, including COVID-19, is well known. But a new study suggests climate change and rampant wildfires may be redoubling those effects in the western U.S.
Jan. 6, 2022
Bureau of Land Management schedules virtual forum on solar projects
The Bureau of Land Management has scheduled a Jan. 20 virtual forum so people can hear from companies seeking to build large solar energy projects near metro Phoenix.
Jan. 6, 2022
Groups gather at Capitol to call for environmental action, representation
Representatives from environmental groups, faith-based organizations, science and government on Wednesday gathered at the Arizona state Capitol Rose Garden to present their priorities for the governor and Legislature.
Jan. 5, 2022
NAU working on smart tech to improve bicycle riding
Cars are seemingly constantly adding new technologies to make them “smarter," like adaptive cruise control and lane-adjust sensors. These technologies have not yet made it to bicycles, but a team at Northern Arizona University is trying to change that.
Jan. 5, 2022
ASU dining halls focus on low carbon footprint meals
Some ASU students can now show their commitment to climate action through their choice of meals.
Jan. 4, 2022
Volunteers hopeful about future of beavers along the San Pedro River
For the past 20 years, officials have worked at reintroducing beavers to the San Pedro River. And a recent expedition to check on the furry creatures bodes well for their futures.
Jan. 4, 2022
Getting rid of your Christmas tree? Try eating it first
Lots of cities across the Valley offer tree recycling services, but Julia Georgallis says you can re-use parts of your tree without leaving your house. In fact, she says, they can be a part of your next meal or happy hour.
Jan. 3, 2022
USDA puts $19M into clean water, internet access in rural Arizona
The United States Department of Agriculture is sending more than $19 million to rural communities in Arizona. The grants and loans will help expand access to clean water and high-speed internet.
Dec. 30, 2021
Heres what the new Lake Mead water agreement means for AZ
Earlier this month, a number of state and federal water agencies, including the Arizona Department of Water Resources and Central Arizona Project, agreed to a plan to add half a million acre-feet of water to Lake Mead in each of the next two years.
More Arizona water coverage
Dec. 30, 2021
Why smoke from New Years fireworks is a big health risk in Phoenix
Maricopa County issued a warning about pollution caused by personal fireworks and burning wood over the New Years holiday.
Dec. 29, 2021
Heres how to recycle your Christmas tree in Phoenix and Mesa
Ready to take down your Christmas tree? Here's where Mesa and Phoenix residents can go to recycling live Christmas trees.
Dec. 27, 2021
Water worries in West force sports teams to get creative
The Arizona Diamondbacks ripped out the grass at Chase Field ahead of the 2019 season, replacing it with synthetic grass. It was a business decision, but it also ended up being a water-conservation measure.
Dec. 25, 2021
Renewable energy can impact birds and bat mortality
Conservationists say the need for renewable energy grows more urgent with each passing year. But even green energy has costs.
Dec. 23, 2021
Why wood fires are a no-no during winter in Phoenix
With the holidays just about here, and a slight nip in the air, many Arizonans start to think about lighting up their fireplaces or fire pits. But the state’s environmental regulators would rather you not, especially around Christmas and New Year’s Eve.
Dec. 22, 2021
EV startup Nikola settles with U.S. for $125 million
Electric and hydrogen-powered truck startup Nikola has agreed to a $125 million settlement over charges that it defrauded investors after misleading them about its products, technical advances, and financial prospects.
Dec. 22, 2021
Study shows declines in vehicle emissions saved lives
The study found reductions in emissions from passenger light duty vehicles reductions saved money and lives. But, factors could reduce the benefits these reductions have had.
Dec. 17, 2021
Salt River water level change is bad for wild horses, advocates complain
Water levels on the Salt River were healthy all summer and led to ample eelgrass for the wild horses that roam its banks. Now SRP is cutting back on releases into the river, and a group dedicated to the horses is worried about the horses’ food source.
Dec. 20, 2021