Focusing only on average temperature changes may underestimate the true impacts of climate change
In short: A review of climate impact research found that most studies focus on shifts in average temperatures rather than fluctuations in climate variability. The authors argue that by overlooking these swings and the increased frequency of extreme weather events, we may be significantly underestimating how climate change will affect biological systems and human food security.
This review highlights that while mean climate changes are easier to model, they do not capture the full scope of risks to crops, livestock, and farming systems. The researchers suggest that understanding how these fluctuations interact with pests and diseases is essential for protecting food supplies, especially in developing nations.
The study identifies significant data gaps regarding the timing of climatic stresses on plant growth. However, as a review paper, it synthesizes existing knowledge rather than presenting new experimental data, and its conclusions are based on the limitations of current research frameworks.
Why it matters: To effectively address food security, we must look beyond average temperature shifts and account for the increasing volatility of our climate.
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Sources
- Source: Research: Thornton et al. (2014). Climate variability and vulnerability to climate change: a review. Global Change Biology. · cc-by-nc
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