environment

Earth Notes: National Fossil Day

Sep 19, 2018
National Park Service

On Oct. 17 this year, the National Park Service and more than 300 partners are celebrating National Fossil Day.  This is the eighteenth year of the annual event, part of Earth Science Week.


Melissa Sevigny

The U.S. House and Senate have passed an appropriations bill that will restore full funding to environmental programs on the Colorado River for the next fiscal year. KNAU’s Melissa Sevigny reports, the programs were at risk of closing after the White House redirected their funding.

Courtesy of Pat Talbott

In 1967 an artist named Robert Miller hand-carved a scale model of Glen Canyon. The enormous topographical map stood in the visitor center in Page for half a century, before it was dismantled and packed into storage. But a local artist decided to seize the chance to bring the map back to its former glory. KNAU’s Melissa Sevigny spoke with Pat Talbott about the restoring the historic work of art, now on display at the Glen Canyon Natural History Association in Page.


Jim Clark, U.S. Fish and Wildlife Service

Some ecologists and activists argue the endangered Mexican gray wolf should be reintroduced further north in Arizona to increase the population. But a new study coauthored by the Arizona Game and Fish Department says expanding the range would harm recovery efforts. KNAU’s Melissa Sevigny reports.


Courtesy of Carlos Bustos

In hot dry climates, urban trees can reduce the intensity of sunlight, block infrared heat exchange—and act as natural evaporative coolers.  Having shade trees to the center or east of a building’s southern façade can cool it by several degrees.


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