Links

Department of Animal and Plant Sciences, University of Sheffield
Physics of Life Network

Scientific organisations:
British Ecological Society
The Royal Society

Conservation organisations:
RSPB
Wildlife Trusts
BTO
Plantlife
Buglife
National Trust
The Woodland Trust
Marine Conservation Society

Opportunities for policy internships:
https://royalsociety.org/training/pairing-scheme/
http://www.acmedsci.ac.uk/about/administration/internship-schemes/
http://www.bbsrc.ac.uk/business/people-information/professional-internships.aspx
http://www.bbsrc.ac.uk/business/people-information/policy-internships.aspx

UK policy:
UK Parliament
UK Civil Service
Parliamentary Office of Science and Technology
DEFRA 
Natural England
Environment Agency
JNCC

Science in the media:
New Scientist
Guardian Science
BBC Science and Environment

Useful blogs:
Ecology and Policy Blog, British Ecological Society