A collection of subject encyclopedias that can be cross searched. Consider using the group of encyclopedias listed under Environment which contains many encyclopedias related to sustainability, alternative energy, etc.
by Willis Jenkins, Whitney Bauman, and Ray Anderson. 2010. In The Spirit of Sustainability, religion [scholars] and other scholars assess the key ways in which religious ideas, beliefs, and practices have both promoted sustainability and served as roadblocks.
"Encompassing tsunamis, elephant conservation, ocean pollution, mining regulation, and permafrost melt, the 300 authoritative articles in this unique and wide-ranging encyclopedia investigate all types of phenomena that change life on Earth. The entries cover a range of general research categories: altered ecosystems, climate change, food and water supply, population, politics and global change, institutions and policies, biographies, and case studies."
Think Tank Search is a custom Google search of more than 575 think tank websites. For the purposes of this search, think tanks are defined as institutions affiliated with universities, governments, advocacy groups, foundations, non-governmental organizations, and businesses that generate public policy research, analysis, and activity.
Spans sustainability from ecological concepts to financial concerns to public policy and community action, giving readers a solid foundation from which to think critically about efforts to make a more sustainable world.