Now showing items 21-30 of 143
Biospheric Feedback Loops and Rapid Global Climate Change
(National Academy of Sciences, 2010)
A positive feedback loop makes an existing process speed up while a negative feedback loop decreases the impact of an existing process. A source emits carbon dioxide and other greenhouse gases while a sink retain and stores. ...
Eco-Ethics and Sustainability Ethics
(Ethics in Science and Environmental Politics, 2004)
This book is part two of a collection of John Cairns, Jr's papers and articles highlighting the importance of eco-ethics and sustainability ethics in protecting the biospheric life support system.
Peace, Global Warming, Ecological Overshoot, and Resource Wars
(Virginia Tech, 2006)
In addition to the usual threats to world peace, a number of other destabilizing factors affect human society: global warming, ecological overshoot, and resource wars. These factors are interactive and often have positive ...
Planetary Sustainability the Age of Transition to Sustainablility: The End of the Exponential Growth Period
(Association for Politics and the Life Sciences, 2005)
Arguably, no curve in the world increases indefinitely--- certainly no growth curve of human society. The quest for sustainable use of the planet involves estimating levels of activity, particularly resource use, that can ...
The Mother of All Positive Feedback Loops?
(Virginia Tech, 2008)
The Kyoto Protocol aims to reduce emissions in industrialized countries to five percent below 1990 levels by 2012, however no evidence indicates that this goal will be reached. As a consequence, we will again exceed the ...
Phantom Land and Ghost Slave: Humankind's Addiction to Fossil Energy
(Asian Journal of Experimental Sciences, 2007)
Humankind uses vast amounts of fossil energy accumulated millions of years ago. The rate of use is many orders of magnitude greater than the replacement rate. Peak oil is the most immediate problem, and replacing this rate ...
Coping with Environmental Refugees
(Science and Society, 2008)
Environmental refugees are produced when the human population growth exceeds the carrying capacity of the region or when natural resources are diminished due to droughts, floods, or other types of climate change. Although ...
Compassion, Catastrophe, and Change
(Virginia Tech, 2006)
Modern society is based on energy, and the recent rapid evolution is due in major part to cheap, convenient, readily available energy. However, humans have diverted a substantial portion of Earth s life support capacity ...
Creating an Alien Planet
(Virginia Tech, 2007)
For approximately 160,000 years, Earth s conditions have been in favor for humankind, thank to the biospheric life support system. Currently, anthropogenic wastes, from hazardous chemicals to carbon dioxide, are damaging ...
Ecological Restoration of Alder Creek, Colorado, USA
(Science and Society, 2009)
Partial ecological restoration of important attributes of Alder Creek, Gunnison County, CO, U.S.A., has been successful since the area has continued in its restored conditioni for over a decade. However, due to cattle ...