The world could still, theoretically, meet its goal of keeping global warming under 1.5 degrees Celsius, a level many scientists consider a dangerous threshold - but realistically, that’s unlikely to happen, due to problems evident at COP27, the United Nations climate conference in Egypt. Read more»

Once in a decade, as stated by the Clean Air Act, each state is required to assess airshed pollution in national parks and wilderness areas. This regional haze planning process is a rare and vital chance to clean up the air for Arizonans while lowering our state’s emissions that worsen climate change. — Catalina Ross, Sierra Club Read more»

Developing nations were jubilant at the close of COP27 as negotiators from wealthy countries worldwide agreed to establish a “loss and damage” fund for vulnerable countries harmed by climate change - but the fund might not materialize in the way that developing countries hope. Read more»

Stark words greeted the leaders who have gathered in Egypt to discuss climate change at the United Nation’s annual conference - words that resonate with climate experts and some political leaders in Arizona, who are taking their own steps in the absence of a statewide policy. Read more»

Despite frustrating sclerosis in the negotiating halls as countries meet at COP27, the United Nations summit on climate change, the pathway forward for ramping up climate finance to help low-income countries adapt to climate change and transition to clean energy is becoming clearer. Read more»

There are more than 600 fossil fuel lobbyists at the COP27 climate conference, a rise of more than 25% from last year and outnumbering any one frontline community affected by the climate crisis. Read more»

A series of symbolic moves on climate finance at COP27 suggests positive momentum could be starting to build on a pivotal issue at the UN summit in Egypt. Read more»

"I’m voting for Kirsten Engel in Arizona’s 6th Congressional District to ensure that a vibrant Arizona is ready to face the challenges and opportunities that lie ahead." — Rita Ranch resident Albert Lucero Read more»

The Maricopa County Department of Health’s annual report on heat deaths, which was released this month, reports a record 339 heat-associated deaths in 2021, and of those, 75% took place outdoors, and 19% of those happened on hiking trails or in desert areas of the county. Read more»

President Joe Biden at a community center in Portland Saturday promoted Democrats’ efforts to bring down health care costs, in a visit to a normally Democratic state three weeks before midterm elections that will determine control of Congress for the next two years. Read more»

Democrat Raúl Grijalva is running for the 11th time to represent southern Arizona in Congress – and though this time it’s in a new district, Grijalva plans on maintaining consistency in his "progressive and commonsense politics.” Read more»

Libertarian Marc Victor - who calls himself a “live and let live guy” - says he’s running for the U.S. Senate because he wants to change the world, starting with Arizona and is campaigning on what he calls “a new approach to politics.” Read more»

For close to two centuries, Strong Arm – a symbol of the Sonoran Desert - stood over the Tortolita Preserve near Marana, but a monsoon storm in August toppled the giant saguaro, revealing it fell prey to a deadly bacteria that scientists believe is more prevalent than ever. Read more»

Nothing sounds sexier than a "Downtown infill overlay zone" but Tucson has used this land-use tool to help resurrect our city core. Expanding it could help heal much of what ails Tucson. Read more»

Extreme heat kills more people each year than any other type of weather-related event, and those risks can be amplified in “heat islands” - predominantly located in low-income neighborhoods - and now, the federal government and some cities have begun to act. Read more»