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Climate change: a friend or foe to food security in Africa?

Author

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  • Robert Becker Pickson

    (Sichuan Agricultural University)

  • Elliot Boateng

    (University of Newcastle
    University of Newcastle)

Abstract

Extreme climate change is posing an increasing threat to human welfare across countries. Specifically, the devastating floods coupled with the looming spectre of drought are argued to explain cross-country differences in food security. While the debate continues and uncertainties about the precise influence of climate change on food security linger, the question of whether climate change plays a pivotal role in increased hunger and food insecurity across countries remains unanswered. This study presented new evidence of the role of climate change in Africa’s food security. We utilised the Mann–Kendall test and Sen’s slope estimator to analyse climate change trends. We also employed the pooled mean group technique and the Dumitrescu–Hurlin panel causality test to investigate the effect of climate change on food security in 15 African countries between 1970 and 2016. Our empirical findings revealed three things. First, rainfall plays a decisive role in Africa’s food security when examined broadly. However, the significance of the effect of rainfall varied substantially across the 15 countries. Second, we find no robust impact of temperature on food security in the long run. However, the short-run results showed that extreme temperatures impede food security, with varying magnitudes across countries. Third, except for rainfall, a bidirectional causality exists between food security and temperature in Africa. Given the risks associated with rain-fed agriculture, we argue that African countries need to limit their dependence on rain-fed agriculture to boost food production.

Suggested Citation

  • Robert Becker Pickson & Elliot Boateng, 2022. "Climate change: a friend or foe to food security in Africa?," Environment, Development and Sustainability: A Multidisciplinary Approach to the Theory and Practice of Sustainable Development, Springer, vol. 24(3), pages 4387-4412, March.
  • Handle: RePEc:spr:endesu:v:24:y:2022:i:3:d:10.1007_s10668-021-01621-8
    DOI: 10.1007/s10668-021-01621-8
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    2. Llewellyn Leonard, 2022. "Climate Change Impacts and Challenges of Combating Food Insecurity in Rural Somkhele, KwaZulu-Natal, South Africa," Sustainability, MDPI, vol. 14(23), pages 1-17, November.
    3. Biswanath Behera & Anasuya Haldar & Narayan Sethi, 2024. "Agriculture, food security, and climate change in South Asia: a new perspective on sustainable development," Environment, Development and Sustainability: A Multidisciplinary Approach to the Theory and Practice of Sustainable Development, Springer, vol. 26(9), pages 22319-22344, September.
    4. Khalfaoui, Rabeh & Goodell, John W. & Mefteh-Wali, Salma & Chishti, Muhammad Zubair & Gozgor, Giray, 2024. "Impact of climate risk shocks on global food and agricultural markets: A multiscale and tail connectedness analysis," International Review of Financial Analysis, Elsevier, vol. 93(C).
    5. Marina Kovaleva & Walter Leal Filho & Christian Borgemeister & Jokastah Wanzuu Kalungu, 2022. "Understanding Needs and Potentials for Gender-Balanced Empowerment and Leadership in Climate Change Adaptation and Mitigation in Africa," Sustainability, MDPI, vol. 14(15), pages 1-27, August.
    6. Zaheer Allam & Simon Elias Bibri & Samantha A. Sharpe, 2022. "The Rising Impacts of the COVID-19 Pandemic and the Russia–Ukraine War: Energy Transition, Climate Justice, Global Inequality, and Supply Chain Disruption," Resources, MDPI, vol. 11(11), pages 1-17, October.

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