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Solar Energy and Water Concerns
Solar energy is a natural for Arizona, but is there a drawback? Some people say generating power from the sun can use too much water and Arizona can't afford that.
U.S. Representative addresses SB 1070, solar energy, health care and other topics.
Congresswoman Gabrielle Giffords joins us on the weekly roundtable to discuss various issues that are important to residents of Southern Arizona.
Pam White tells us about a new kind of non-petroleum based asphalt that is being used to repair some of Tucson's many potholes.
Santa Cruz River
Hear how the Santa Cruz River is bringing together people from both sides of the immigration debate, in a special report from "The World" producer Lorne Matalon.
Find out what happens to more than 65 million gallons of drinking water that gets flushed every day in Pima County, as Laura Markowitz follows the flow.
Author, ecologist, and explorer Jane Poynter talks about her new book, "Champions for Change." She's working with the U.N. and athletes from around the world for pro-environmental action.
Solar House Update
Christopher Conover looks at the University of Arizona's entry in an international contest to design the future of solar housing.
Invasive Desert Plants
Tony Paniagua looks at the ongoing struggle in the Sabino Canyon ecosystem against invasive plant species like giant reed and buffelgrass.
Saguaro National Park Superintendent
Meet Darla Sidles, the new superintendent of Saguaro National Park, and hear about the qualities she brings to the position.
Las Chicas Bravas
Tony Paniagua introduces us to "Las Chicas Bravas", the nickname given a group of Mexican women who started a thriving recycling business, against all odds.
With the conversion to digital television broadcasting now complete, you may be wondering what to do with your old TV set. Christopher Conover reports on your options.
UA Goes Solar
Christopher Conover reports on the University of Arizona's plans to greatly expand the use of solar energy on campus.
"Win Win Ecology"
Tony Paniagua interviews biologist and author Michael Rosenzweig, who offers a win/win scenario for humans and wildlife, as we face ecological challenges ahead.
An audio postcard from The Sonoran Desert Weed Whackers and the group's ongoing battle against buffelgrass.
A Tucson couple is building the first "Earthship" in Pima County. Claudine LoMonaco reports on the eco-friendly houses built from natural and recycled materials (mostly tires).
Who's using it and how does it benefit the local economy? Laura Markowitz reports.
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