Sustainability

Advocates worry success could be latest threat for gray wolves

WASHINGTON - Populations of endangered Mexican gray wolves have reached their highest numbers since reintroduction efforts began nearly 20 years ago, but rather than cheer the success, environmentalists are worried it could backfire on the struggling animals.

Was your hiking trip to the Grand Canyon unforgettable?

Around 5 million people visit Grand Canyon National Park each year to see the highly distinguished natural landmark stretching 277 river miles, according to the National Park Service. Hikers and backpackers alike come to tackle the difficult terrain.

Fortune 500 company Monsanto to grow GMO corn in Tucson

TUCSON – Tucson-area residents who oppose a Fortune 500 company’s plans to grow genetically modified crops at a new greenhouse in Marana won a partial victory.

Hard choices ahead as officials look at future of Navajo power plant

WASHINGTON - Despite pledges to look for alternatives, closing the Navajo Generating Station in Page could devastate the local economy, where hundreds of jobs rely on the plant and affiliated coal mine and where experts see few, if any, workable solutions.

Navajo Generating Station to close by 2019, plant owners say

WASHINGTON - The owners of the Navajo Generating Station in Page voted today to keep the plant operating until its lease ends in December 2019, pending agreement with the Navajo Nation on reclamation of the site.