PHOENIX – COVID-19 reduced road traffic to unknown lows, but now it’s returning in full force. After carbon emissions dropped during a year of less travel, will they return to problematic levels?
WASHINGTON - Arizona lawmakers and advocates said they were "blindsided" by the U.S. Forest Service's abrupt announcement this week that it would halt negotiations on a proposed extension of the Four Forests Restoration Initiative.
WASHINGTON - Federal regulators on Friday rejected a mining company's request to reduce critical habitat for endangered jaguars in the Santa Rita Mountains on land that overlaps the footprint of the proposed Rosemont Copper Mine.
PHOENIX — Arizona’s wet monsoon season helped spawn thousands of plump yellow caterpillars around the state. The caterpillars now are looking for a place to become white-lined sphinx moths.
WASHINGTON - Environmental groups welcomed a federal judge's decision this week to overturn Trump-era clean-water regulations that were so narrow that many waterways in Arizona ended up being excluded from federal oversight.
WASHINGTON - Fighting wildfires did not get any easier this month, but it did get a little more profitable for thousands of full-time and temporary firefighters employed by the federal government, which raised their minimum wage from $13 an hour to $15 an hour.
PHOENIX – Arizona’s senators are being urged to support the “Build Back Better” budget to provide funding for clean energy initiatives and jobs to address the effects of climate change as extreme heat becomes more common.
The federal government declared a water shortage for much of the Southwest last week, resulting in the first mandatory cutbacks for some who draw from the Colorado River. The first to see cuts will be farmers in central Arizona.
The NEID spectrometer is trying to detect more planets outside our solar system. It uses the gravitational influence a planet has on the star it revolves around to determine the planet’s mass.
In 1990, the big problem for the Colorado River was managing too much water. Now, it's adjusting to too little, a problem likely to get worse as drought and climate change pose a profound challenge for the river that provides water for more than 40 million people.
Women are increasingly finding a space in the historically male-dominated field of environmental conservation. But there are still significant barriers – from harassment to language hurdles – keeping their work in the shadows. Now, scientists in Sonora, Mexico, are fighting for their place in the profession.
The COVID-19 pandemic, record drought in Northern California that has decimated fish populations and the persistent washout of the main highway have awakened the Yurok Tribe to food insecurity in the area.