https://virgool.io/feed/@mohamad.mahdi.bazvandmb محمدمهدی بازوند دانش‌آموز پایه دوازدهم رشته علوم تجربی است. علاقه‌مند به حوزه‌های شیمی کاربردی، مهندسی نفت و فناوری‌های مرتبط با توسعه پایدار و کربن‌خنثی می‌باشد. fa 2026-04-14 18:15:37 https://files.virgool.io/upload/users/4104540/avatar/aFlafX.jpg?height=120&width=120 https://virgool.io/@mohamad.mahdi.bazvandmb https://virgool.io/@mohamad.mahdi.bazvandmb/%D9%85%D8%AD%D9%85%D8%AF-%D9%85%D9%87%D8%AF%DB%8C-%D8%A8%D8%A7%D8%B2%D9%88%D9%86%D8%AF-s413jc80fsg7 محمد مهدی بازوند کربن خنثی (Carbon Neutral) به وضعیتی گفته می‌شود که خالص انتشار گازهای گلخانه‌ای (GHG)، به ویژه CO₂، از یک فعالیت، سازمان یا محصول صفر شود. این هدف از طریق کاهش مستقیم انتشار، انتقال به انرژی‌های تجدیدپذیر و جبران انتشار (Carbon Offsetting) محقق می‌شود.رسیدن به کربن خنثی، محور استراتژی‌های کاهش اثرات اقلیمی، توسعه پایدار و مسئولیت اجتماعی سازمان‌ها (CSR) است و از الزامات توافق‌نامه‌های بین‌المللی مانند پاریس 2015 محسوب می‌شود.راهکارهای تخصصی:1. بهینه‌سازی انرژی: استفاده از ساختمان‌ها و تجهیزات با بهره‌وری بالا، مدیریت هوشمند شبکه‌ها.2. انتقال به انرژی پاک: خورشیدی، بادی، زمین‌گرمایی و هیدروژن سبز.3. جبران انتشار: پروژه‌های جذب کربن، فناوری‌های CCS/CCUS، حفاظت و احیای اکوسیستم‌های طبیعی.مزیت‌ها: کاهش اثرات اقلیمی، ارتقای پایداری زنجیره تأمین، کاهش ریسک قانونی و اقتصادی و افزایش ارزش برند. محمد مهدی بازوند محمد مهدی بازوند Thu, 16 Oct 2025 00:40:19 +0330 https://virgool.io/@mohamad.mahdi.bazvandmb/%D9%85%D8%AD%D9%85%D8%AF-%D9%85%D9%87%D8%AF%DB%8C-%D8%A8%D8%A7%D8%B2%D9%88%D9%86%D8%AF-tggokwx9seau The Role of Carbon Capture, Utilization, and Storage (CCUS) in Iran’s Petrochemical Industry: Insights from Japan 🇯🇵 and Canada 🇨🇦As global warming accelerates due to rising CO₂ levels, fossil-fuel-based industries—especially petrochemicals—face increasing pressure to decarbonize. Carbon Capture, Utilization, and Storage (CCUS) offers a practical solution by capturing CO₂ emissions and either converting them into useful products or storing them underground.What is CCUS?CCUS includes:1. Capture – Extracting CO₂ from industrial processes or directly from the air2. Utilization – Using CO₂ to create products like fuels, fertilizers, or construction materials3. Storage – Injecting CO₂ into geological formations such as depleted oil fieldsThis technology is essential for reducing emissions in heavy industries like petrochemicals, steel, and power generation.Japan’s ApproachJapan has advanced CCUS through projects like the Tomakomai CCS and microalgae-based CO₂ reuse. Research centers like Kyoto University partner with industries, showing how innovation and policy can align toward carbon neutrality by 2050.Canada’s LeadershipCanada is a global leader in carbon storage, with large-scale infrastructure like the Alberta Carbon Trunk Line and Boundary Dam CCS. Its public–private model proves that environmental goals can coexist with energy development.Iran’s OpportunityAs a top petrochemical producer, Iran faces both high CO₂ emissions and increasing global pressure. With energy-intensive processes and vulnerability to future carbon tariffs, adopting CCUS can enhance Iran’s competitiveness and sustainability.Mohammad Mahdi BazvandIndependent Researcher in Energy & Carbon Neutralitymohamad.mahdi.bazvandmb@gmail.com محمد مهدی بازوند محمد مهدی بازوند Sun, 13 Jul 2025 11:29:21 +0330 https://virgool.io/@mohamad.mahdi.bazvandmb/%F0%9F%87%B8%F0%9F%87%AA-urban-carbon-neutrality-and-climate-resilience-lessons-from-stockholm-for-iranian-cities-%F0%9F%87%AE%F0%9F%87%B7-c1u0wminuyhk IntroductionThe emission of greenhouse gases—particularly carbon dioxide (CO₂)—has become one of the most pressing environmental and sustainable development challenges of the 21st century. In response, the concept of carbon neutrality has emerged as a strategic global solution to mitigate climate change and promote ecological balance.Carbon neutrality refers to achieving a net-zero carbon footprint, either by reducing emissions at their sources (e.g., energy, transportation, and industry) or by compensating for residual emissions through carbon offsetting or absorption mechanisms.---🏙️ Research Focus and MethodologyThis study adopts a descriptive–analytical approach, utilizing international scientific literature to explore the technological, policy, theoretical, and urban dimensions of carbon neutrality. The focus is a case study of Stockholm, Sweden—a global pioneer in climate-conscious urban development.---🇸🇪 Stockholm’s Climate Vision: A Model of Urban TransitionStockholm has set ambitious goals through its Climate Action Plan 2030, aiming for complete carbon neutrality by 2040. Key measures implemented include:Expanding electric public transport networksPromoting the use of renewable energy sourcesGreen waste management and recyclingEnergy efficiency improvements in buildingsIntroduction of carbon taxes on fossil fuelsIn parallel, Stockholm University has established a comprehensive climate roadmap, focusing on emission reduction across Scopes 1, 2, and 3, alongside promoting environmental awareness among students, faculty, and staff.---⚙️ Key FindingsThe Stockholm model reveals that achieving carbon neutrality is multifaceted, requiring:Robust technological infrastructureStrong political commitmentActive public participationTransparent and accountable reporting systemsHowever, critical barriers remain, including:High costs of carbon capture and storage technologiesLack of climate justice in low-income regionsGreenwashing by corporationsWeak enforcement of climate legislation---🇮🇷 Policy Relevance for IranMajor Iranian cities—such as Tehran, Mashhad, and Isfahan—face rising environmental challenges due to rapid urbanization and fossil-fuel dependency. The Stockholm experience offers a locally adaptable model to guide Iranian policymakers and urban planners toward low-carbon, climate-resilient development.---🔚 ConclusionThe journey toward urban carbon neutrality is no longer optional—it is an imperative for climate-resilient and sustainable development. Stockholm’s integrated approach demonstrates that ambitious climate goals can be achieved through coordinated efforts across sectors and institutions.Mohammad Mahdi Bazvand Independent Researcher in Energy & Carbon Neutrality mohamad.mahdi.bazvandmb@gmail.comMohamad mahdi bazvand carbon neutrality by mid-century. محمد مهدی بازوند محمد مهدی بازوند Mon, 07 Jul 2025 00:10:43 +0330 https://virgool.io/@mohamad.mahdi.bazvandmb/%D9%85%D8%AD%D9%85%D8%AF-%D9%85%D9%87%D8%AF%DB%8C-%D8%A8%D8%A7%D8%B2%D9%88%D9%86%D8%AF-angtfy5ete6f Carbon Neutrality, Sustainable Development, and Industry emission of greenhouse gases—especially carbon dioxide—is one of the most serious environmental and sustainable development challenges of the 21st century. In response to this crisis, the concept of carbon neutrality has emerged as a key strategy to mitigate global warming and achieve environmental sustainability. Carbon neutrality refers to a state in which the net carbon emissions reach zero. This goal is achieved by reducing emissions at major sources (such as energy, transportation, and industry) and by absorbing or offsetting the remaining emissions.This study, using a descriptive–analytical method and drawing upon international scientific sources, explores the theoretical, technological, policy-related, and urban dimensions of carbon neutrality. It focuses on a case study of Stockholm, which is considered one of the most successful global examples in this field. By implementing the Climate Action Plan 2030 and setting the goal of full carbon neutrality by 2040, Stockholm has adopted measures such as expanding electric public transportation, utilizing renewable energy, implementing green waste management, reducing energy consumption in buildings, and introducing carbon taxes on fossil fuels. Stockholm University has also developed a climate roadmap, aiming to reduce emissions across various scopes and promote environmental awareness among students and staff.The findings of this study indicate that achieving carbon neutrality requires a combination of multiple factors, including technological infrastructure, political will, public participation, and transparent reporting mechanisms. Challenges such as the high cost of carbon capture technologies, lack of climate justice, greenwashing, and weak binding climate laws have been identified as key obstacles on this path. Ultimately, the experience of Stockholm can serve as a locally adaptable model for major Iranian cities—including Tehran, Mashhad, and Isfahan—to facilitate the transition toward sustainable and low-carbon development. mohamad mahdi bazvand#محمد_مهدی_بازوند #Bazvand #scientist #Iranian_chemist محمد مهدی بازوند محمد مهدی بازوند Wed, 02 Jul 2025 03:10:41 +0330