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ASU Listen(n) Project: How the sounds around you could be a harbinger of climate change

What we hear and how we hear it can affect human perceptions. They also may be able to predict changes in the environment over time.... Read more»

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BioDiv tells UN that U.S. has 'obligation' to protect species threatened by border wall

Tucson's Center for Biological Diversity, along with representatives of the Tohono O'odham in Sonora and a coalition of Mexican enviro groups, are pushing for the UN to investigate the consequences of the Trump administration's plan to build a border wall along the northern edge of a nature preserve.... Read more»

Forest Service tips for staying safe while hiking in the summer heat

With summer temperatures rising to all-time highs, and humidity staying low, Coronado National Forest is asking visitors to plan their outings accordingly and to use situational awareness.... Read more»

U.S. and Mexico struggle to clean up Rio Grande

When the Rio Grande is swollen with rain, as it was recently in Laredo, it’s hard to tell that more than 5 million gallons of raw sewage spill into its waters every day. But kayak through the little creeks on the side of the river bordering Mexico, and the odor is unmistakable.... Read more»

Latin America most dangerous place for environmentalists

A quarter century after the shooting of Brazilian rubber-tapper and Amazon conservationist Chico Mendes sparked international outrage, it’s still almost routine for environmentalists across Latin America to pay for their activism with their lives. ... Read more»

Democrats distort vote on climate change

A Democratic video says 240 House members “voted in 2011 that climate change was a ‘hoax.’ ” Not exactly. The 2011 vote was ultimately a referendum on who should set climate change policy — the Environmental Protection Agency or Congress. It was not a vote on whether climate change is a “hoax.”... Read more»

Demands on Colorado again make it nation’s most-endangered river

A new ranking lists the Colorado River as the most-endangered river in the country, as increased demands on its water supply have put the river “at a breaking point.”... Read more»

How industry scientists stalled action on carcinogen

For the past 60 years, water polluted with chromium (VI) has plagued Hinkley, Calif., the desert town made famous by the film "Erin Brockovich." Although residents there won their lawsuit against the polluter, Pacific Gas & Electric Co., there’s still a debate over whether the compound causes cancer in drinking water. The Environmental Protection Agency says yes, but industry scientists disagree.... Read more»

Did dark money group that spurred landmark ruling mislead IRS?

A western nonprofit that played a key role in freeing corporate spending on elections nationwide appears to have misled the IRS when it applied for the tax-exempt status that shields its donors from being publicly disclosed.... Read more»

John C. Scott Show

J.C. Scott: Heinz fighting uphill battle vs. Barber

Interviews with Matt Heinz, a Democratic candidate for CD2, and Stefanie Mach, Democratic candidate for state House in LD10, and Jim Nintzel of the Tucson Weekly.... Read more»

Planting trees now will help beat the heat later

As winter temperatures linger, it is a good time to plant trees before the weather warms, said Tucson Clean & Beautiful about their Trees for Tucson Program, which is taking applications for low-cost shade trees.... Read more»

Full text of Obama's State of the Union

The full text of President Barack Obama's State of the Union, as provided by the White House.... Read more»3

Mexico fights invasion of wild boars

They are ferocious, destroy crops and attack humans, newspapers in Mexico’s northern state of Chihuahua warn. Mexico’s environment department has issued a death sentence on thousands of wild boars that have crossed the border from Texas in recent years.... Read more»2

Few criminal cases target big air polluters

In policing the nation’s polluters, criminal prosecution is the government’s most potent weapon. Congress passed legislation 21 years ago to strengthen criminal enforcement and encourage the EPA and the Justice Department to go after the worst violators of air pollution laws. But an investigation by the Center for Public Integrity’s iWatch News shows the extent to which this vision has gone unrealized.... Read more»

Clean Air Act analysis

EPA enforcement often brings more hot air than heat

Although eight Arizona sites are on a secret federal "watch list" of polluters who have not been subject to timely formal enforcement, the extent of air pollution in the state is clouded by poor record-keeping and bureaucratic miscommunication, a TucsonSentinel.com investigation shows.... Read more»

Grand Canyon uranium fight heats up in D.C.

A bill that would open 1 million acres near Grand Canyon National Park to new uranium mining was hailed Thursday as an economic boon and derided as a threat to the park’s wilderness and tourism value.... Read more»

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