Royal Botanical Gardens at Kew
The Plants Database from the US Department of Agriculture
National Center for Biotechnology Information (NCBI) Besides being the centre for DNA sequence and related information, it has an excellent taxonomy resource and a useful collection of freely-available books
The IUCN Red List of Threatened Species™ is widely recognized as the most comprehensive, objective global approach for evaluating the conservation status of plant and animal species.
Zoological Society of London (ZSL) is an international scientific, conservation and educational charity whose mission is to promote and achieve the worldwide conservation of animals and their habitats.
The Newcastle University Sustainability Resource Guide brings together all the sustainability related activity at Newcastle, You can find out about key resources on all aspects of sustainability, read about sustainability research at Newcastle, see which courses cover aspects of sustainability and discover local sustainability initiatives