| Gabi Strasser |
| Game-changing technologies to transform food systems |
| Gamze Ünlü |
| Gaurav Shrivastav |
| Geo-Wiki campaign on Tropical Forest loss starting on December 9th 2020 |
| GeoEngineering and NegatIve Emissions pathways in Europe (GENIE) |
| Georg Kindermann |
| Georg Pflug |
| George Monbiot |
| Gerald Silverberg |
| Gergana Daskalova |
| Gergely Boza |
| Gerid Hager |
| Getting a fuller picture of COVID-19 infections |
| GGR-NERC |
| Giacomo Falchetta |
| Gisela Casanova Rondoy |
| Give yourself a nudge and make smarter decisions |
| Gladys Shamirian |
| Global Agro-Ecological Zones (GAEZ) |
| Global Biosphere Management Model (GLOBIOM) |
| Global climate change impacts on crops expected within 10 years |
| Global Development: Science and Policies for the Future |
| Global Energy Assessment |
| Global Energy Assessment Scenario Database (GEA) |
| Global flows of migrants and their impacts on North European welfare states |
| Global food production poses an increasing climate threat |
| Global Forest Database |
| Global Forest Model (G4M) |
| Global Forum on Communication in Science |
| Global hunger and trade under global warming |
| Global Hydro-economic Model (ECHO) |
| Global LandScapes: RFS-IIASA Rapid Spatial Analysis |
| Global migration and educational expansion: Scenarios and projections of population-level interactions (MIGRED) |
| Global migration and the complex interplay between environmental and social factors |
| Global partnership to support citizen science for the SDGs |
| Global population growth and its impact on cities and urbanization |
| Global research highlights |
| Global Water Scarcity Atlas (GWSA) |
| Globally coordinated mitigation policy could benefit environmentally conscious farmers |
| Goodwill Ambassador: Vienna Philharmonic |
| Governance |
| Governance innovation through nature-based solutions |
| Greenhouse Gas and Air Pollution Interactions and Synergies (GAINS) |
| Greenhouse Gas Initiative Scenario Database (GGIDB) |
| Greening through schooling: How education influences pro-environmental behavior |
| Gregor Kiesewetter |
| Ground-level ozone in Asia |
| GROW |
| GROW Observatory App |
| Growth and Fiscal Analysis of Risk Layering Strategies (GFRList) |
| Gui-Ying Cao |
| Guidelines for Postdoctoral Fellowship Engagements |
| Guillaume Marois |
| Günther Fischer |
| Gustav Feichtinger |
| Guy Abel |