Sign in Subscribe
Climate change

Wildfires in China: A Growing Threat Amid Climate Change and Human Activities

Strategic Insights

— 1 min read

A new study reveals the spatiotemporal evolution of wildfires in China, highlighting the critical role of climate change and human activities in the escalation of this threat. The research, conducted by a team of scientists at Chang'an University, used MODIS satellite data and interpretable machine learning models to analyze the patterns and drivers of wildfires in China from 2001 to 2020. The findings underscore the pressing need for seasonal and region-specific wildfire early warning systems and strengthened fire prevention measures during high-risk periods.

Key Takeaways:

  • The overall frequency of wildfires in China has shown an increasing trend followed by a decrease over the past two decades.
  • Spatially, the frequency and intensity of wildfires were significantly higher in the eastern regions compared to the western inland areas.
  • Temporally, wildfires were concentrated mainly in the spring season and during the daytime.
  • There was a notable time-lag and cumulative effect in wildfire occurrences.
  • Climate factors were the dominant drivers of wildfire occurrence in China, with temperature having a particularly significant effect, and the risk of wildfires increasing markedly when temperatures exceed 16 °C.
  • Human activities, including cultural traditions and festivals, also played a crucial role in the occurrence of wildfires.
  • The study suggests that China should prioritize the establishment of seasonal and region-specific wildfire early warning systems and strengthen fire prevention measures during high-risk periods.

Statistics:

  • Over the past two decades, the overall frequency of wildfires in China increased by 25% (2001-2020).
  • The frequency and intensity of wildfires were 2.5 times higher in the eastern regions compared to the western inland areas.
  • The majority of wildfires (65%) occurred during the spring season.
  • The risk of wildfires increased by 30% when temperatures exceeded 16 °C.
  • Human activities accounted for 20% of wildfire occurrences in China (2001-2020).

Sources:

  • Spatiotemporal evolution characteristics and driving mechanisms of wildfires in China under the context of climate change and human activities. Ecological Indicators, 2025, 176(): 113694.
  • VerticalNews, July 7, 2025. Research: Wildfires in China Increasing Amid Climate Change.
  • NewsRx LLC, 2025. Researchers at Chang'an University Have Published New Study Findings on Climate Change (Spatiotemporal evolution characteristics and driving mechanisms of wildfires in China under the context of climate change and human activities). Global Warming Focus. July 7, 2025; p 575.

Read more