Active research networks in France:

EcoSD: national network for eco-design of sustainable systems

ELSA: regional network in the South West of France

LCAgora:  regional network North West of France (Bretagne Pays de la Loire)
LCAgorA has no website for the moment. To know better about its activities, look at its contribution to the Scientific Days of the Nantes Université

Some active International research networks:

ISIE: International Society for Industrial Ecology

SETAC: Society of Environmental Toxicology and Chemistry