Author: Zach

Chapter 2 { A New World View Contents } Just as you are creating changes in your “ecosystem in a bottle,” humans are changing the ecosystems of the world’s forests.  This chapter summarizes the history of those changes. In the year 1800, approximately 1 billion people lived on our planet.  Now we number nearly 6 […]

Chapter 1 { A New World View Contents } Global systems science is a new field of study about the interactions between Earth’s natural systems and human activities.   The people who study global systems science draw on methods and theories of many different fields—from chemistry and biology to economics and politics—in order to predict how […]

A New World View – A Changing Cosmos – Climate Change – Life and Climate – Ozone – Losing Biodiversity – Ecosystem Change – Energy Flow – Energy Use – Population Growth A New World View 1. What is Global Systems Science? 1.1. Create Your Own Ecosystem 2. A History of Forest Use in the […]

A New World View, the first of Four GSS Themes, introduces all of the other Guides in the Global Systems Science series. See Overview. Contents Chapter Titles Investigations Stay Current 1. What is Global Systems Science? 1.1. Create Your Own Ecosystem Chapter 1 2. A History of Forest Use in       the Pacific Northwest 2.1. Tree Study […]

Challenge using DigitalImageBasics SoftwareChange the colors of this picture so one yellow circle is displayed on a completely black background.To find this picture, use the “Colors” window in DigitalImageBasics and select the picture “Sample: Color Circles 1″There are three solutions to this challenge.See the tutorial on DigitalImageBasics for guidance. DigitalImageBasics is available in the DEW software bundle. Bonus Challenge: Display only one white circle on a black background. […]

Digital Earth Watch (DEW) grew from a NASA education grant project, Measuring Vegetation Health.  It has a  whole separate website.