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Programme

Greenhouse Gas Emission Calculator

The GHG Emission Calculator helps UNHCR compare emissions from key technologies in displacement settings (e.g. water, energy, waste)

The Greenhouse Gas (GHG) Emission Calculator enables UNHCR and  humanitarian partners to compare climate-relevant emissions of different activities and  technologies used in displacement settings for water supply, clean cooking, facility electrification, lighting and solid waste management.

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Grégoire Castella
Head of Humanitarian Action

Grégoire Castella

Head of Humanitarian Action

As leader of the EPFL EssentialTech’s Humanitarian Division, Greg works at the interface of research and humanitarian action. He is leading several large-scale partnerships between EPFL and the ICRC (Engineering for Humanitarian Action), the UNHCR (The Geneva Technical Hub) and the Graduate Institute (The Future of Humanitarian Design). He is also developing executive trainings for humanitarian practitioners on the responsible use of technology in humanitarian setting, as well as about cybersecurity in the sector. Prior to working at EssentialTech, he led the Innovation Coordination at MSF (Doctors Without Borders) Switzerland, aimed at harnessing the power of medical, humanitarian and digital innovations to meet the needs of patients and others affected by disasters. He previously worked several years as a manager for the International Committee of the Red Cross (ICRC) in various regions affected by armed conflicts (Afghanistan, Colombia, Central African Republic, Cote d'Ivoire) and later as Deputy Director for the Antenna Foundation, an NGO that incubates innovative solutions to meet the basic needs of people living in poverty. He is the co-founder and current President of the Board of Watalux SA, a social startup developing innovation for safe water and better hygiene in hospitals, and Board Member of SwissSolidarity, a leading Swiss philanthropic foundation. He holds a PhD in Life Science from the University of Lausanne (Switzerland).

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