UPSC GS Paper-1: Q4- Discuss the consequences of climate change on the food security in tropical countries.

Ashutosh Bansal September 30, 2023 02:25 8893 0

Discuss the consequences of climate change on the food security in tropical countries.

UPSC GS Paper-1: Q4- Discuss the consequences of climate change on the food security in tropical countries.

Q.4 Discuss the consequences of climate change on the food security in tropical countries.

 

How to approach the question

Introduction:

  • Start with a brief introduction highlighting the impact of climate change on food security in tropical countries.

Body:

  • Divide the body into negative and positive consequences of climate change, using clear subheadings.
  • Support each point with specific examples and statistics for clarity and impact.

Strategies for Food Security:

  • List and briefly explain key strategies.
  • Mention successful case studies or initiatives to illustrate their effectiveness.

Conclusion:

  • Summarize the main points and emphasize the urgent need for action.
    Conclude with a forward-looking statement on the importance of addressing climate change for tropical food security.

Introduction

Climate change, marked by enduring alterations in temperature, precipitation, and weather patterns, has resulted in a significant average temperature rise of 0.08 degrees Celsius per decade since 1880, as documented in NOAA’s 2021 Annual Climate Report. These transformations have profound implications for food security.

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Body

Negative Consequences of Climate Change on the Food security in tropical countries:

  • Change in Temperature: In tropical regions, additional warming compounds heat stress on crops, further reducing productivity and jeopardizing food security. For instance, the wheat crop in India was significantly impacted by the heat stress caused by an unprecedented temperature surge that began in mid-March 2022.
  • Alteration in Precipitation Patterns: Climate change disrupts rainfall patterns, causing prolonged droughts or intense rainfall, which can result in crop failures, water scarcity, and food shortages in tropical countries. It has been predicted that every 1 degree Celsius rise in temperature will cause 10 percent heavier rainfall extremes in tropical regions.
  • Effects on Soil Quality: Changes in temperature and precipitation affect soil quality and fertility, reducing agricultural productivity and making it challenging to produce sufficient food for growing populations.
  • Changing Weather Patterns: Climate change amplifies extreme weather events in tropical countries, causing severe damage to crops and disrupting food distribution. As an illustration, India experienced a total loss of 5.04 million hectares of crop area due to cyclonic storms, landslides, flash floods, regular floods, and cloudbursts up until November 25, 2021.
  • Crop Vulnerability and Pests: Climate change increases the susceptibility of crops to pests and diseases, endangering food security by reducing crop yields. For instance, since the beginning of January 2020, vast groups of desert locusts have inflicted harm on over 200,000 hectares of farmland in Ethiopia.
  • Shifts in Growing Seasons: Altered climate conditions can disrupt traditional growing seasons, making it difficult for farmers to predict when to plant and harvest crops. This uncertainty can lead to food shortages and price volatility.
  • Biodiversity Loss: Climate change worsens biodiversity loss, impacting ecosystems and the availability of wild foods. This directly affects tropical communities, which heavily rely on these resources for sustenance and income, heightening the risk of food insecurity. For example, the loss of honey bees driven by climate change will lead to a shortage of food crops, including fruits, vegetables, nuts, and oilseeds, as they are crucial pollinators.
  • Increase in Food Prices: In tropical nations experiencing rapid population growth, climate change-induced disruptions in agriculture can intensify food insecurity by reducing accessibility and affordability for vulnerable populations. A rise of 1% in temperature compared to the previous year has been observed to raise food production expenses by approximately 0.5-0.8% within Southeast Asian economies. 
    • Furthermore, instances of extreme heat events in Thailand and Vietnam in recent years have resulted in price surges of approximately 5-6%.

Food Security

Positive Consequences of Climate Change on the Food Security in Tropical Regions:

  • Expansion of Agricultural Land: Climate change allows for farming in previously unsuitable tropical areas, increasing food production, e.g., rice cultivation in cooler, elevated regions.
  • Extended Growing Seasons: Warmer winters in tropical regions lengthen crop growing periods, benefiting crops like tomatoes that require longer frost-free seasons.
  • Increased Crop Diversity: In response to climate variability, farmers may diversify their crops, incorporating options like drought-tolerant sorghum, which not only enhances food security by reducing reliance on a single crop but also broadens dietary options.
  • Boosted Livestock Productivity: In some cases, higher temperatures can benefit livestock farming by reducing cold stress on animals and potentially improving livestock productivity. This can lead to increased meat, dairy, and other animal product availability.

Strategies to Ensure Food Security in Tropical Regions:

  • Development of Climate-Resilient Crops: Invest in research and breeding programs to develop climate-resilient crop varieties, such as the development of drought-tolerant rice varieties like Sahbhagi Dhan.
  • Promotion of Sustainable Agricultural Practices: Encourage the adoption of sustainable farming techniques like agroecology, organic farming, and conservation agriculture. The National Program for Organic Production (NPOP) of India serves as an inspiration.
  • Investment in Irrigation and Water Management: Improve water access and management through the development of efficient irrigation systems, rainwater harvesting, and water-saving technologies. Drip irrigation system serves as a model. 
  • Enhanced Agroforestry and Diversification: Encourage agroforestry practices that integrate trees with crops or livestock to provide additional sources of food.
  • Adoption of Climate-Smart Technologies: Integrate advanced technologies like precision agriculture, remote sensing, and climate modeling to optimize resource use, improve productivity, and adapt to changing climate conditions.
  • Strengthening of Food Storage and Distribution Systems: Develop robust post-harvest handling, storage, and transportation infrastructure to minimize food losses.

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Conclusion

The consequences of climate change on food security in tropical countries are profound and multifaceted. While climate change poses a significant threat to food security in these regions, it also presents some opportunities for adaptation and innovation. A comprehensive approach, encompassing mitigation, adaptation, and stakeholder collaboration, is essential to ensure a food-secure and sustainable future in tropical regions.

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