一些人买完菜回来，会把装着菜的塑料袋一起放进冰箱，但这个举动可能对健康产生潜在危害。首先， 塑料袋透气性不好，如果袋内湿度太大而含氧量太少，会使果蔬出现无氧呼吸，产生大量酒精。同时， 还会引发细菌滋生，大大降低果蔬的安全性和营养价值。其次，有些彩色塑料袋属于再生塑料袋，不排 除使用的着色剂含有强致癌物苯并芘的可能性，与食品接触后，可能转移到食品中。 （来源：劳动午报） 转自：劳动午报 ...

Core Viewpoint - Colombia will increase the consumption tax on plastic bags to 73 pesos (approximately $0.02) per bag by 2026, representing a 5.3% year-on-year increase. This tax aims to reduce the usage of plastic bags and promote environmental protection [1] Group 1: Tax Increase Details - The plastic bag consumption tax will rise to 73 pesos per bag by 2026 [1] - The increase in tax is projected to be 5.3% compared to the previous year [1] Group 2: Environmental Impact - From July 2024 to February 2025, the number of plastic bags in circulation in Colombia is expected to decrease by approximately 232 million bags, a reduction of over 60% [1]

Core Insights - The private economy in Yingkou contributes significantly to the local economy, accounting for 81% of GDP, 82% of tax revenue, over 90% of employment, and 97% of business entities, establishing Yingkou as one of the most vibrant cities for private enterprises in Northeast China [1] Group 1: Innovation and Transformation - Innovation is essential for the evolution and advancement of Yingkou's private economy, with companies like Tianyuan Aviation Materials and Liaoning Xiangyang Chemical Group transitioning from basic operations to innovative, competitive enterprises [2][3] - The integration of research and development with market needs is crucial, enabling a seamless transition from small-scale trials to mass production, thus enhancing the competitiveness of local products [2] - Yingkou has established 148 technology innovation platforms and workstations, with a continuous 20% growth in technology contract registrations over five years, fostering the development of 2,433 technology-based SMEs [3] Group 2: Supportive Ecosystem - A nurturing ecosystem in Yingkou has led to the emergence of innovative entrepreneurs, exemplified by Dongsheng Technology Group's transformation from a small plastic bag factory to a national high-tech enterprise [4] - The success of companies like Jintianma Specialized Vehicle Manufacturing is attributed to their focus on core technology and quality improvement, leading to significant investments in smart production lines and proprietary materials [5][6] - The local government plays a pivotal role in creating a favorable environment for private enterprises, emphasizing respect for entrepreneurs and promoting innovation [6] Group 3: Government and Business Collaboration - Yingkou's government has adopted a proactive approach to enhance the business environment, focusing on matching government capabilities with enterprise needs, resulting in successful collaborations [7][8] - The establishment of industrial parks and alliances, such as the specialized vehicle manufacturing industry park led by Jintianma, illustrates the shift from individual efforts to collective industry strategies [7] - Continuous policy innovations and support mechanisms have led to a 6.63% year-on-year increase in new private business entities, totaling 311,000 by the end of September [8][9] Group 4: Economic Growth and Future Directions - The transformation of Yingkou's private economy reflects a broader shift towards innovation, quality enhancement, and sustainable practices, with a focus on smart, green, and integrated development [9] - The growth of the private economy is characterized by a significant increase in investment and a shift from initial market entry to sustained competitive positioning [9]

Group 1 - The plastic flexible packaging industry is evolving with a trend towards single-material and functional materials, driven by technological advancements and environmental concerns [1][4][5] - The market share of composite films in China's plastic flexible packaging is relatively high at 27.8%, while BOPP films, plastic shopping bags, and BOPET films account for 20%, 12.1%, and 11.8% respectively [2] - The Chinese Plastic Processing Industry Association has identified functional BOPP films and eco-friendly BOPE films as key development directions during the 14th Five-Year Plan [2][4] Group 2 - The market size of China's plastic flexible packaging industry reached 121.34 billion yuan in 2023, with expectations to grow to 161.37 billion yuan by 2027 due to urbanization and rising consumer demand [5] - The industry is characterized by low market entry barriers and high competition, with a CR5 of only 8.7% in 2023, indicating a fragmented market [9] - Stricter environmental policies and upgraded downstream demand are expected to accelerate the elimination of outdated production capacity, leading to increased market concentration [9]