Carbon Dioxide

In 1908, the Forest Service established a system of experimental forests and ranges (EFRs) to be set aside for environmental…
In 1908, the Forest Service established a system of experimental forests and ranges (EFRs) to be set aside for environmental research. Only one EFR is located in Wyoming. The Glacier...

Give a Hoot, Don’t Pollute! Welcome to Woodsy Owl LIVE 3, a distance learning adventure brought to you by the…
Give a Hoot, Don’t Pollute! Welcome to Woodsy Owl LIVE 3, a distance learning adventure brought to you by the USDA Forest Service and the Natural Inquirer. In this series...

The scientists in this study were interested in comparing the water use efficiency of trees. They wondered if the water…
The scientists in this study were interested in comparing the water use efficiency of trees. They wondered if the water use efficiency of trees growing away from intermittent and ephemeral...

In this inquiry, scientists wanted to know how much carbon is held on Earth by the world’s forests. They also…
In this inquiry, scientists wanted to know how much carbon is held on Earth by the world’s forests. They also wanted to know whether this number is staying the same,...

Is the climate changing over time? You may have heard different opinions about climate change. In the past few years,…
Is the climate changing over time? You may have heard different opinions about climate change. In the past few years, most scientists have agreed on at least one thing about…

The scientists in this study were interested in trees that live in the Eastern United States. They wanted to explore…
The scientists in this study were interested in trees that live in the Eastern United States. They wanted to explore how the habitat of these trees might change in the...

The scientists wanted to know if the information gathered by satellites was as good as the information they would get…
The scientists wanted to know if the information gathered by satellites was as good as the information they would get if they gathered it in person. The scientists in this...

The scientists in this study were interested in environmental changes occuring in the Southern United States. The scientists were interested…
The scientists in this study were interested in environmental changes occuring in the Southern United States. The scientists were interested in changes occuring over a long time. In particular, the...

This edition of Natural Inquirer presents the results of a worldwide effort to understand the world’s forests, organized by the…
This edition of Natural Inquirer presents the results of a worldwide effort to understand the world’s forests, organized by the United Nations Food and Agriculture Organization, or FAO.

The scientists in this study wanted to know how rising levels of carbon dioxide in the troposphere might affect the…
The scientists in this study wanted to know how rising levels of carbon dioxide in the troposphere might affect the amount of carbon sent belowground by trees and made available...