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你“吃下”了多少化石燃料?
Hu Xiu· 2025-10-16 11:39
Core Insights - The food system is heavily reliant on fossil fuels, consuming at least 15% of the world's fossil fuels and 40% of petrochemical products, which are crucial derivatives of fossil fuels [1][2][3] Group 1: Fossil Fuel Consumption in Food Systems - Over 42% of fossil fuel consumption in the food system occurs during food processing and packaging, while nearly 38% is used in retail and kitchen cooking [3][5] - The food system consumes 40% of global petrochemical products, with 34% used for fertilizer production, highlighting the significant role of fossil fuels in agricultural inputs [5][8] Group 2: Nitrogen Fertilizer and Environmental Impact - Nitrogen fertilizer production is a major contributor to fossil fuel consumption, with its usage increasing by 800% since 1961, particularly in high-income countries [9][10] - The nitrogen fertilizer supply chain contributes to 2% of global greenhouse gas emissions, with 60% of emissions arising from the application of fertilizers in the field [9][10] Group 3: Energy Use in Food Processing - The food processing sector is energy-intensive, with 60% to 70% of its total energy consumption coming from heat generated by burning fossil fuels [19][23] - Ultra-processed foods, which are heavily reliant on fossil fuels, account for a significant portion of caloric intake in both high-income and low-income countries [19][23] Group 4: Plastic Use and Waste in Food Systems - The food system is a major consumer of plastics, with 74% of petrochemical products used in plastic and fertilizer production, and Asia being a significant contributor to global plastic packaging [23][24] - Less than 10% of plastics are recycled globally, with food packaging being one of the most challenging types to recycle due to contamination [25][26] Group 5: Recommendations for Reducing Fossil Fuel Dependency - The report suggests eight actions to reduce the food system's reliance on fossil fuels, including promoting ecological agriculture, reducing plastic production, and curbing ultra-processed food consumption [30]
爆火7年后,成都一家三口坚守30亩森林,打造最美庄园
3 6 Ke· 2025-08-15 00:54
Core Viewpoint - The article highlights the dedication of Liao Quanfu and his family in protecting local heron populations and transforming their environment into a natural habitat over the past two decades, showcasing a blend of ecological conservation and personal lifestyle changes [1][5][10]. Group 1: Heron Conservation Efforts - Liao Quanfu began his conservation efforts in 1998 by renting 30 acres of land to plant trees, which later became a habitat for herons [1][10]. - The heron population and biodiversity in the area have increased, with Liao's daughter, Liao Fan, now actively participating in conservation efforts alongside her father [5][22]. - The herons exhibit migratory behavior, with their return to the area anticipated each spring, indicating a healthy ecosystem [22][27]. Group 2: Environmental Transformation - Liao Quanfu transformed a 50-acre wasteland, previously filled with plastic and chemical waste, into a natural ecological garden by cleaning the area and planting trees [17][59]. - The family has faced challenges in managing the large areas of land, with initial resistance from Liao Fan and her mother regarding the extensive upkeep required [18][57]. - The ecological garden has attracted various wildlife, including owls and kingfishers, enhancing the area's biodiversity [34][36]. Group 3: Sustainable Practices and Community Engagement - The family engages in sustainable food practices, growing their own vegetables and exploring local food markets, which aligns with their ecological values [66][80]. - Liao Fan has initiated educational programs for children to learn about local biodiversity and sustainable practices, aiming to influence the younger generation [81][82]. - The family has also constructed traditional buildings using reclaimed materials, emphasizing the importance of preserving local architectural heritage [40][52][50].