Halvor holds a masters degree in Human Geography from the University in Bergen. In his thesis he studies how farmers in Himalaya, Nepal, adapted their water management system to disappearing glaciers and new technology.
From 2008 to 2011 he worked as a research fellow at CICERO (Center for International Climate and Environmental Research- Oslo). Here he worked on adaptation and vulnerability to climate change in Arctic communities. He studied how fishermen and farmers in the Lofoten region in Norway were affected by environmental and societal change and their capacity to adapt to these changes. He has also studied adaptation to climate change in Norwegian municipalities.