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Lesotho is a country in southern Africa that is already experiencing the negative effects of climate change, including increased frequency of extreme weather, such as droughts, increased rates of soil erosion and desertification, and reduced soil fertility. Lesotho is a landlocked country that is particularly vulnerable to the negative impacts of climate variability and changes in water and food security, as well as adverse conditions to health, human settlements, and the energy sector.

The high aridity in Lesotho, coupled with periods of severe drought, exacerbates the loss of biological diversity, degradation of rangelands, and decreased crop and animal productivity due to desertification. These challenges contribute to the country's rising vulnerability.

Greenhouse gas emissions

Climate Trace has estimated greenhouse gas emissions for Lesotho in 2022 at 2.62 million tonnes, with about half from agriculture, As the population of Lesotho is about 2.2 million this is about 1.2 tonnes a year per person, which is well below the world average of about 6.5 tonnes. The official estimate for 2017 totalled 5.66 million tonnes, which is also well below the world average per person.

Climatology

The country has cold winters and hot summers. The average temperature ranges from 0 °C to 30 °C, depending on the altitude. Lesotho is likely to become generally hotter and drier across projected future climates.

Impacts on key sectors

Lesotho’s key sectors such as agriculture, water, energy, and health are vulnerable to climate change.

Agriculture

The agriculture sector is the backbone of Lesotho’s economy and is highly vulnerable to climate change. The sector is already facing climate vulnerabilities with drought, floods, pests, and extreme temperatures occurring more frequently. Food security in Lesotho has been called precarious. Only 30% of maize, which is the main staple food, is grown in the country. The predominantly rainfed agriculture makes Lesotho susceptible to the adverse effects of drought. To meet the domestic food demand, Lesotho relies on imports of maize from its neighboring country South Africa. The prices of maize in Lesotho are strongly influenced by the prices in South Africa. Given the proximity between the two countries, a drought affecting Lesotho is likely to have an impact on South Africa as well. This would lead to reduced production in both countries. This scenario has occurred in the past, such as in 2007 when the most severe drought ever recorded by satellites affected both Lesotho and South Africa simultaneously. Consequently, the drought resulted in crop failures in both countries, leading to a significant decline in maize exports to Lesotho.

Water

Lesotho’s water resources are highly vulnerable to climate change impacts. The country is already experiencing reduced water availability due to droughts and increased water demand due to population growth. The climate of Lesotho is characterized by the occurrence of periods of dryness and periods of rainfall over recorded history. These climatic fluctuations have had significant impacts on the environment. The impacts associated with dry periods include scarcity of food, famine, disease outbreaks, invasion by non-native plants and destructive insects, dust storms, and the initiation of erosion by rivers. The longest dry spell in the 200-year record took place between 1991 and 1995. Lesotho is projected to change in temperature and precipitation patterns, leading to drier and hotter conditions. The intensity and frequency of extreme events like floods and droughts are expected to increase, especially in the western and northern lowlands. Water resources will be negatively affected by reduced precipitation and increased temperature, resulting in higher evaporation rates, decreased runoff, and diminished groundwater replenishment. Rangeland conditions may deteriorate and ultimately be degraded by climate changes, impacting the quality of livestock and livestock products. The existing indigenous forests might transition into semi-arid types, while agricultural production will decline, leading to food shortages. Lesotho stands as the only nation in the world with all its land situated above 1000 meters. Completely enveloped by South Africa, it is located at the highest point of the Drakensberg escarpment on the eastern border of the South African plateau.

Energy

Lesotho’s energy sector is highly vulnerable to climate change impacts. The country is already experiencing reduced hydropower generation due to reduced water availability. More than 95% of electricity consumed in Lesotho is from hydro-power (MEMWA, 2013).

Health

Lesotho’s health sector is highly vulnerable to climate change impacts. The country is already experiencing an increased incidence of malaria and other vector-borne diseases due to increased temperatures and rainfall. The impacts related to periods of insufficient rainfall encompass scarcity of food, widespread famine, outbreaks of diseases, invasion by foreign plants and destructive insects, the formation of arid areas known as dust bowls, and the initiation of erosive processes by rivers.

Adoptions

Lesotho has developed a National Adaptation Plan (NAP) to address climate change adaptation and mitigation. The NAPA documents the national circumstances, vulnerabilities, and expected impacts of climate change in Lesotho. Additionally, it outlines the consultations, resources, and information that were utilized to prioritize adaptation interventions. Lesotho produced its Second National Communication (SNC) to the UNFCCC in November 2013, encompassing country circumstances, greenhouse gas inventory, impacts, and vulnerability, as well as national climate policies for mitigation, adaptation, research, observations, and public education.

See also

• Health in Lesotho
• Geography of Lesotho
• Climate change in Uganda
• Climate change in Namibia
• Climate change in Zimbabwe

References

1. ^ "Climate Risk Country Profile - Lesotho - Lesotho | ReliefWeb". reliefweb.int. August 14, 2021. Retrieved December 17, 2023.
2. ^ "World Bank Climate Change Knowledge Portal". climateknowledgeportal.worldbank.org. Retrieved December 17, 2023.
3. Tongwane, Mphethe; Piketh, Stuart; Stevens, Luanne; Ramotubei, Teke (June 1, 2015). "Greenhouse gas emissions from road transport in South Africa and Lesotho between 2000 and 2009". Transportation Research Part D: Transport and Environment. 37: 1–13. doi:10.1016/j.trd.2015.02.017. ISSN 1361-9209.
4. "Comparison Tool - Climate TRACE". climatetrace.org. Retrieved December 21, 2023.
5. Vigna, Leandro; Friedrich, Johannes (May 8, 2023). "9 Charts Explain Per Capita Greenhouse Gas Emissions by Country".
6. Bienniel update report 2021 (PDF) (Report).
7. "Scaling up climate-smart agriculture in Lesotho". blogs.worldbank.org. February 20, 2020. Retrieved December 17, 2023.
8. "Publication preview page | FAO | Food and Agriculture Organization of the United Nations". FAODocuments. Retrieved December 17, 2023.
9. ^ Otto, Friederike; Verschuur, Jasper (March 15, 2021). "To what extent does climate change affect food insecurity? What we found in Lesotho". The Conversation. Retrieved December 17, 2023.
10. Dick-Sagoe, Christopher; Nkrumah Hope, Kwame; Dick-Sagoe, Anna Dankwaah (2023). "Climate change and the livelihoods of food crop farmers in Lesotho: Lessons for the implementation of the national climate change adaptation strategy". Journal of Emergency Management (Weston, Mass.). 21 (8): 133–143. doi:10.5055/jem.0674. ISSN 1543-5865. PMID 37878387. S2CID 261632959.
11. "To what extent does climate change affect food insecurity? What we found in Lesotho - Lesotho | ReliefWeb". reliefweb.int. March 16, 2021. Retrieved December 17, 2023.
12. Dick-Sagoe, Christopher; Hope, Kwame Nkrumah; Dick-Sagoe, Anna Dankwaah (July 24, 2023). "Climate change and the livelihoods of food crop farmers in Lesotho: Lessons for the implementation of the national climate change adaptation strategy". Journal of Emergency Management. 21 (8): 133–143. doi:10.5055/jem.0674. ISSN 1543-5865. PMID 37878387. S2CID 261632959.
13. "Lesotho: Water Security and Climate Change Assessment | GFDRR". www.gfdrr.org. Retrieved December 17, 2023.
14. ^ "Lesotho | UNDP Climate Change Adaptation". www.adaptation-undp.org. Retrieved December 17, 2023.
15. "Climate Change Key for Lesotho's Domestic and Industrial Water Security, Agricultural Production and Regional Water Transfers". World Bank. Retrieved December 17, 2023.
16. "Publication preview page | FAO | Food and Agriculture Organization of the United Nations". FAODocuments. Retrieved December 17, 2023.
17. ^ Irish Aid, Irish Aid (November 2015). "LESOTHO CLIMATE ACTI ON REPORT" (PDF). Irish Aid.

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