Biodiversity Heritage Library
The Biodiversity Heritage Library (BHL) is a consortium of natural history and botanical libraries that cooperate to digitize the legacy literature of biodiversity held in their collections and to make that literature available for open access and responsible use as a part of a global “biodiversity commons.”
WWF Crisis Watch
"CrisisWatch is WWF’s monitor of the environmental dimensions of the economic crisis in Europe. Originally started in January 2012, as a monthly e-bulletin highlighting the rollback in environmental laws and policies and the green ways out of the crisis, CrisisWatch is now online"
The Encyclopedia of Earth
The EoE is a free, expert-reviewed collection of content contributed by scholars, professionals, educators, practitioners and other experts who collaborate and review each other's work. "
Catalog of the National Agricultural Library of the U.S.A. Many of its records are linked to open access resources.