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IELTS Free Online Writing Practice - The impact of climate change on agricultural productivity

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Topic: The impact of climate change on agricultural productivity

Question:
In what ways has climate change affected agricultural productivity, and what challenges and opportunities does it present for the future of global food security?

Model Answer:

Climate change has significantly impacted agricultural productivity across the globe. This phenomenon, largely attributed to human activities such as burning fossil fuels and deforestation, has led to a rise in global temperatures, alterations in precipitation patterns, and an increase in extreme weather events.

The most direct consequence of these changes is the decrease in the predictability of agricultural outcomes. Temperature fluctuations disrupt the delicate balance necessary for optimal crop growth, causing fluctuations in yield. For instance, prolonged periods of heat can reduce the quality and quantity of crops, while cold snaps may destroy entire harvests. Altered precipitation patterns have also caused both droughts and floods, leading to water scarcity or excess in certain regions, thereby affecting crop growth.

Moreover, changes in weather patterns have resulted in an increase in pest populations and the spread of plant diseases. Warmer temperatures and increased humidity create a conducive environment for these threats, reducing agricultural yields further.

These factors present several challenges for global food security. The unpredictability of agricultural outcomes can lead to fluctuations in supply, causing price volatility. Furthermore, areas previously able to support agricultural activities may no longer be viable due to the changes in climate, leading to a decline in global agricultural capacity.

However, climate change also presents opportunities for innovation and adaptation. The necessity to address these challenges has spurred investment in research and development of drought-resistant and heat-tolerant crop varieties. Technological advancements such as precision agriculture, which allows for more efficient use of resources like water and fertilizers, can help mitigate the effects of climate change on agricultural productivity.

In conclusion, climate change has profoundly impacted agricultural productivity, presenting both challenges and opportunities. As global temperatures continue to rise, it is essential that we invest in research and development, as well as adaptive measures to ensure food security for future generations.

For this model answer:

Task Response: 9
Coherence and Cohesion: 8
Lexical Resource: 8
Grammatical Range & Accuracy: 8

Total Score: 33/40

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