Nature and Environment

Tucson offering drop-off recycling for your Christmas tree

Dec 26, 2019 Putting the Christmas tree on the curb won't get rid of it.

Proposed Clean Water Act changes will mean uncertainty, loss of protections for Arizona waterways

Dec 18, 2019 The Trump administration is implementing a new rule defining which waterways are regulated under the act.

Video shows groundwater pumping for border wall near Quitobaquito Springs

Dec 17, 2019 Conservationists worry pumping will harm a rare and critical desert water source.

Greenland ice melt matches UN panel's worst predictions

Dec 17, 2019 New research suggests ice loss in Greenland has contributed just over a centimeter of mean sea level rise over 26 years.

Interior secretary announces study impacting Colorado River water talks

Dec 16, 2019 States are set to begin negotiations next year over a new set of agreements about the river's future.

Scientists consider vertical farming ahead of changing climate

Dec 13, 2019 A UA researcher says the technique could help solve future food concerns.

Report: Tailings dam poses threat to Rio Sonora valley 5 years after major spill

Dec 13, 2019 The report's author says Grupo México's new tailings pond threatens the health and livelihood of people already impacted by a 2014 spill.

Poachers swarm vaquita refuge ‘like never before’

Dec 12, 2019 A conservationist said the number of poachers in the endangered porpoise's habitat — casting nets for a fish called the totoaba — is unprecedented.

Marana's Tortolita Preserve protected from development, for now

Dec 11, 2019 The town will continue making lease payments on the 2,400-acre wildlife preserve.

Tucson youth will hold another climate strike Friday

Dec 5, 2019 Students will take to the streets once again to demand action on climate change.

Celebrate Christmas the John Waters way.

Dec 4, 2019 Also on Arizona Spotlight: "The 89-90 Trip" spends a day in Yellowstone National Park; and the legacy of ecologist Aldo Leopold.

Conservation groups challenge U.S. Army, USFWS over harm to San Pedro River

Dec 4, 2019 Conservationists say Fort Huachuca covered up an internal report on its groundwater pumping effects.

Rep. Grijalva attends UN climate change summit

Dec 2, 2019 A dozen House Democrats are in Madrid for an international climate change meeting this week.

Former San Carlos Apache Tribe chair walking to traditional lands to protest copper mine

Nov 26, 2019 Wendsler Nosie Sr. is going to live near Oak Flat east of Phoenix to oppose the construction of the Resolution Copper Mine.

Poll finds division and common ground in what Arizonans care about

Nov 25, 2019 State residents placed issues like water and education among their highest priorities.

Biosphere 2 drought study continues

Nov 22, 2019 The water was shut off to the rainforest biome for a multiweek measurement of dry conditions.

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