The Sixth South-South Forum on Sustainability (SSFS6) was organized by Global University for Sustainability and the Department of Cultural Studies, Lingnan University, together with 15 co-organizers, on 24 June – 3 July 2019, in Lingnan University, Hong Kong, China. SSFS6 focused on “Ecology, Livelihood, and Community Regeneration”. It organized Summer School on Nuclear Weapons and Power, Current Challenges and Responses on 24-26 June 2019. The moderator was LAU Kin Chi (Lingnan University, Hong Kong, China). The speaker was Rebecca Johnson (Founding Co-chair, International Campaign to Abolish Nuclear Weapons, 2017 Nobel Peace Prize Laureate). Rebecca Johnson is a feminist peace activist, 1980s Greenham Peace Camper, justice campaigner opposing war and violence (through Women in Black and MillionWomenRise), founding Co-Chair of the International Campaign to Abolish Nuclear Weapons (ICAN, 2017 Nobel Peace Prize laureate), Green Security spokesperson (UK) and Acronym Institute director. See www.acronym.org.uk and OpenDemocracy. On 25 June, in Lecture Three, Rebecca Johnson and the Japanese delegation talked about the Fukushima Disaster. There were three parts: (1) A presentation on “Eight Years On: Damage, Discrimination, and Resistance in Fukushima” by AIHARA Hiroko (Japan Perspective News, Japan); (2) A presentation on “Atoms for Peace? Risks and Challenges of Nuclear Power” by Rebecca JOHNSON; (3) A presentation on “Threat to Ecology, Livelihood, and Community Regeneration in Fukushima” by FUJIOKA Emiko (Fukushima Beacon for Global Citizens Network) and MASAAKI Ohashi (University of the Sacred Heart, Tokyo, Japan) joined the discussion. The video is produced by Global University for Sustainability, 2019.