Page 656: Global Warming Hypotheses
Earth Day '96
Visit The Cold Facts on Global Warming, written by Dr. Sallie Baliunas. It is part of articles posted for Earth Day 1996. Read Dr. Baliunas's opinions on global warming, and consider that this article was posted over 5 years ago. How do global temperature records contradict greenhouse forecasts?
Science Daily Magazine
According to this article, researchers at Ohio State University have been studying the causes of global warming, and carbon dioxide may not play as significant a role in the cause as originally thought. Read the article Global Warming Natural, May End Within 20 Years, Says Ohio State University Researcher. What do the researchers believe is the connection between global warming and carbon dioxide in the atmosphere due to the water cycle?
Page 666: Making Recycled Paper
Click the graphic to follow the steps in Make Recycled Paper to make your own recycled paper. Be sure to check the materials you need before you start. This process is messy, so have a plan in place for cleaning up when you are finished. What is cellulose, and how is it part of the process of making paper?
Making Recycled Paper
Make your own recycled paper following the recipe on this page. Use old newspapers that would have been recycled to create new paper. What are some reasons for using recycled paper?
Page 671: Careers in Ecology
The Ecological Society of America
The Careers in Ecology page from the Ecological Society of America offers a variety of information about the field of ecology, including what ecologists do, college courses to take, and the job outlook for the future. What kinds of jobs are available for ecologists?
The Kiwi Careers site offers information about careers, with specific details about these careers in New Zealand. Learn more about ecologists by visiting this part of the site. Click the different links on the left side of the page for details about tasks and duties, working conditions, and the job market. Click the Personal Profile link to meet two people working as ecologists. Describe the work that ecologists do.