What is climate change? Discuss the effects of climate change on Agriculture.

Question

Ghissu Editorial · Accepted Answer

Climate change is the long-term alteration of temperature, rainfall and atmospheric conditions, driven by natural factors and human activity like fossil fuel burning and deforestation. It hurts farming through lower yields, water stress, soil degradation and pests: a 0.5°C winter warming may cut wheat yields by 0.45 tonnes per hectare.

**Introduction**

Climate change involves long-term atmospheric shifts caused by natural and human factors, raising global temperatures and altering rainfall patterns, critically impacting agriculture in India, where over half the workforce depends on farming.

**Understanding Climate Change**

1. **Causes and Regional Effects**: Human activities raise greenhouse gases, having raised temperatures by over 1.1°C above pre-industrial levels; in ==Telangana==, unpredictable monsoons disrupt rainfed farming, addressed by ==Mission Kakatiya==, which restores water bodies to improve irrigation and drought resilience.

**Effects on Agriculture**

1. **Crop and Water Stress**: Rising temperatures reduce yields (e.g., wheat drops 0.45 tonnes/ha with 0.5°C rise); erratic monsoons shift cropping patterns from Kharif to Rabi; agriculture’s 80-90% water use faces drought and soil degradation, including salinisation, threatening arable land quality.

2. **Socioeconomic Challenges**: Small farmers, especially in ==Telangana==, suffer from fragmented land and limited adaptation capacity; climate shocks increase food insecurity and income instability. Natural farming⟦1⟧ and agroforestry offer climate resilience, particularly empowering women farmers.

**Way Forward**

1. **Climate-Smart Agriculture**: The National Mission on Sustainable Agriculture funds drought-resistant crops and water efficiency; advisories through ==m-Kisan==, market access through e-NAM and crop insurance under PMFBY enhance adaptive capacity.

2. **Water Management and Forecasting**: Expanding ==Mission Kakatiya== and ==Kaleshwaram Lift Irrigation== improves water security by increasing storage and distribution; better weather advisories and crop forecasting enable timely decisions and risk mitigation.

**Conclusion**

Climate change threatens agricultural productivity and livelihoods; integrated policies and climate-smart practices are essential for sustainable food security and rural prosperity, aligning with SDG 2’s goal of ending hunger and promoting sustainable agriculture.

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