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Ironwood Forest National Monument is just northwest of Tucson.

An Interior Department review of national monuments has drawn more than 1.4 million public comments, a “phenomenal” number. On the list are the Tucson-area Ironwood Forest monument, the Sonoran Desert monument near Gila Bend, and the Grand Canyon - Parashant and Vermillion Cliffs monuments in Arizona, and nearly two dozen others across the U.S. Read more»

A researcher at the Arizona State University Polytechnic Laboratory for Algae Research and Biotechnology checks on the lab’s equipment that grows algae on a large scale. The Congressional Algae Caucus aims to focus on boosting research and development of algae, which could one day be used as a fuel, food and for other purposes.

Shipbuilding may not seem like a vital issue for arid, landlocked Arizona, but Rep. Trent Franks, R-Glendale, joined the Congressional Shipbuilding Caucus – along with 23 other caucuses and working groups. He’s not alone. When it comes to caucuses, Arizona lawmakers seem to err on the side of involvement. Read more»

Rep. Ron Barber, D-Tucson, is one of two members of the state’s congressional delegation who has pledged to donate his salary to charity for as long at a government shutdown lasts.

Some members of Arizona’s congressional delegation hoped to show solidarity with furloughed federal employees by cutting or suspending their pay during the government shutdown. “Hoped” being the operative word. Read more» 1

Want to know more about how health care reform will affect you? Find out about the Affordable Care Act from local experts at a forum hosted by U.S. Rep. Raúl Grijalva at El Rio Neighborhood Center on Wednesday. Read more»

Both the eastern and western portions of Tucson's Saguaro National Park would grow under a bill introduced last week by U.S. Rep. Raúl Grijalva, who was joined by Democrats Ron Barber and Ann Kirkpatrick in backing the measure. Read more»

Wild horses grazing in New Mexico.

Two congressmen wrote to the Department of Interior this week to demand information on the progress of its investigation into whether more than 1,700 federally protected wild horses sold to a Colorado man may have been illegally sent to slaughter. Read more»

Rep. Raúl Grijalva, D-Tucson, shown in a photo from March, is not seeking a new job, his office said, but a coalition of groups has urged the president to name him secretary of Interior should the job come open.

A coalition of more than 200 environmental and conservation groups urged President Obama to nominate Rep. Raúl Grijalva as the next Interior Secretary. Even though the current secretary hasn’t said he’s leaving. And Grijalva was passed over for the job four years ago. And his office said he’s “not considering a career change.” But the groups said Grijalva “exemplifies the modern and forward-thinking vision” of the department Read more» 6

Arizona's congressional offices have been flooded this week by phone calls and emails on the debt-limit impasse, after President Barack Obama urged voters to call their representatives on the issue. Read more» 1