- GLOBE Institute
- Gamberg Consulting [Canada]
- Gateway Antarctica
- Gazi University
- George Mason University [Fairfax]
- Georgetown University [Washington]
- Georgia Institute of Technology [Atlanta]
- Georgia Tech Lorraine [Metz]
- Geospatial Ecology of Marine Megafauna Lab
- German Centre for Integrative Biodiversity Research
- German Federal Agency for Nature Conservation
- German Oceanographic Museum [GERMANY]
- Glacier National Park
- Glasgow University
- Global Fishing Watch
- Global Health and Infectious Disease Research [University of South Florida, USA]
- Global Penguin Society and Center for Ecosystem Sentinels [USA]
- Global Penguin Society and Department of Ecology [Australia]
- Goethe-Universität Frankfurt am Main
- Gouvernement Princier Monaco
- Graduate School of Environmental Studies [Nagoya]
- Graduate School of Fisheries Sciences
- Graduate School of Frontier Sciences [Kashiwa]
- Graduate University for Advanced Sciences
- Graduate University for Advanced Studies [Hayama]
- Graduate school of Mathematics, Kyoto
- Great Hollow Nature Preserve and Ecological Research Center
- Great Lakes Forestry Centre
- Greenland Institute of Natural Resources
- Grimsö Wildlife Research Station
- Groningen Institute for Evolutionary Life Sciences
- Groningen Institute for Evolutionary Life Sciences [Groningen]
- Groupe ECologie et COnservation des vertébrés
- Groupe Mémoire et Plasticité comportementale
- Groupe Ornithologique Normand
- Groupe d'Etude des Cétacés du Cotentin
- Groupe de Recherche en Ecologie Arctique
- Groupe de recherche en écologie arctique
- Groupe de recherche sur les environnements nordiques (BORÉAS), Rimouski, QC, Canada
- Groupe d’Etude et de Protection des Oiseaux en Guyane (GEPOG)
- Grupo de Ecología y Conservación de Islas
- Grupo de Investigación Zoología de Vertebrados, CIBIO
- Guangdong Ocean University
- Guizhou Academy of Agricultural Sciences
- Gulf University for Science and Technology
- Génie Enzymatique et Cellulaire. Reconnaissance Moléculaire et Catalyse - UMR CNRS 7025
- Génétique et évolution des interactions hôtes-parasites
- Géosciences Environnement Toulouse
- Géosciences Rennes
- Göteborgs Universitet = University of Gothenburg