Four Forest Restoration Initiative

KNAU and Arizona News
5:00 am
Wed April 2, 2014

New 4FRI Thinning Project Begins on the Apache-Sitgreaves

Ponderosa pine trees prior to being thinned
Credit grandcanyontrust.org

Major thinning is ramping up on northern Arizona’s national forests. As Arizona Public Radio’s Ryan Heinsius reports, the work represents the early stages of the biggest-ever U.S. forest restoration project.

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KNAU and Arizona News
5:00 am
Wed November 14, 2012

4FRI Part 2: The Birth of a Collaboration

Fire Below Hart Prairie
Michael Collier

The ponderosa pine forest, across northern and central Arizona, looks green and healthy, but scientists say just the opposite is true. And they’ve joined with local government officials, environmentalists and industry to restore the forest’s health.

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KNAU and Arizona News
11:43 am
Tue November 13, 2012

4FRI Part 1: The Problem with Our Ponderosa Forests

Kelly Canyon
Michael Collier

  

The world’s largest ponderosa pine forest stretches across higher elevations from the San Francisco Peaks to the Arizona/New Mexico border. But in the last century, human intervention has threatened its health.

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