earthquakes in urban areas leave behind a considerable amount of debris, which delays the relief services and the reconstruction activities. the relief work would be impossible without the removal of debris from the main access roads to the devastated areas. the proper implementation of this endeavor requires a long-term management of debris. this article discusses development of strategic mana...

Biodiversity is nature's expression of the principle of holism. This 'natural holistic imperative' is manifested in all aspects of the environment. While environmental health originated through a concern for protecting humans from environmental risks, it is now concerned with protecting the environment from the activities of humans. In order to protect the health of humans, there is a need to b...

This thesis focuses on three aspects (i.e., role-based access control, role-based delegation and privacy-aware access control) of developing a systematic methodology for information sharing in distributed collaborative environments. We develop techniques for setting up secure group communication and providing accesses to group members for many database systems, which incorporate new security co...

environmental crisis is one of the most important global problems. dealing with this crisis as a collective effort requires formation of environmentalism attitudes among people. what is considerable in this field is to identify the factors affecting people’s attitudes towards environmentalism especially women. since, based on two main perspectives of ecofeminism; i.e. women's relationship ...

Thank you, Chairman Bingaman and Ranking Member Murkowski, for the opportunity to testify today on policy tools to build a clean energy economy and reduce global warming pollution. My name is David Hawkins. I am Director of Climate Programs at the Natural Resources Defense Council (NRDC). NRDC is a national, nonprofit organization of scientists, lawyers and environmental specialists dedicated t...

It is an honor and a pleasure to be the inaugural speaker in the Hansen Memorial Lecture Series in Development and Environment. This series focuses upon one of the most critical issues of the 21st century: achieving human well-being while protecting the natural systems upon which our survival depends. The series is a fitting tribute to the memory of Dr. Gunner Kjer Hansen, whose dedication to e...

A significant challenge facing the world today is the expected 34% increase in the human population by 2050, which will require 70% more food from existing natural and land resources (FAO, 2009). Thus, the efficiency of natural resource use must be improved to meet the food security goals for a growing population while protecting the environment (FAO, 2009). Due to their ability to utilize cell...