Page 128 - 全球气候变化及其影响Global Climate Change and Its Impacts-185×260
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Global Climate Change and Its Impacts


                   The adjustment of economic development models is a critical initiative for socioeco-
               nomic systems to address the long-term cumulative effects of climate change. As climate
               change triggers increasingly frequent extreme weather events such as torrential floods,
               droughts, and heatwaves, traditional economic development models characterized by high
               energy consumption, high emissions, and dependence on natural resources have become
               unsustainable. Taking agricultural economy as an example, long-term climate change has
               significantly altered crop-growing environments. Rising temperatures and abnormal precip-
               itation patterns have caused pest and disease infestations to proliferate, leading to increased
               crop yield reductions and even complete harvest failures. Under these circumstances, agri-
               cultural economic models are transitioning toward greater climate resilience. On one hand,
               there is increased investment in agricultural technology research and development to culti-
               vate crop varieties with enhanced stress resistance, such as drought-tolerant, flood-resistant,
               and pest-resistant strains. This not only helps stabilize crop yields and ensure food security
               but also reduces excessive reliance on natural climatic conditions. On the other hand, preci-
               sion agriculture technologies are being widely adopted. By leveraging modern information
               technologies like satellite positioning and sensor systems, precise management of farmland
               irrigation, fertilization, and pest control is achieved. Through meticulous control of agri-
               cultural inputs, this approach improves resource utilization efficiency while minimizing re-
               source waste and production losses caused by climate variability.
                   In the industrial economy sector, facing the resource constraints and environmental
               pressures caused by the long-term cumulative effects of climate change, green industries
               and circular economy development models are gradually emerging. Traditional industrial
               production processes heavily consume fossil fuels and emit greenhouse gases, exacerbating
               climate change. To address this situation, industrial enterprises are intensifying research,
               development, and application of clean energy technologies, with renewable energy sources
               such as solar, wind, and hydropower accounting for an increasing proportion in industrial
               production. Meanwhile, the implementation of circular economy models optimizes produc-
               tion processes to achieve waste reduction, reuse, and resource recovery. For instance, some
               steel enterprises have improved production techniques to recycle waste heat and slag gener-
               ated during manufacturing, not only reducing energy consumption and waste emissions but
               also creating additional economic benefits. This transformation in economic development
               models not only mitigates the negative impacts of industrial production on climate change
               but also enhances enterprises’ competitiveness and sustainable development capabilities in
               the context of climate change.
                   Social structures are undergoing profound transformations due to the long-term cu-
               mulative effects of climate change. In terms of population mobility, extreme climate events
               and ecological degradation caused by climate change are driving migration from affected
               regions to more stable and habitable areas. Coastal residents facing threats like sea level rise
               and storm surges are relocating inland for safety, while populations in arid/semi-arid regions



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