Written by ESG BI Team
08 May 2024
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Green logistics, also known as sustainable logistics or eco-friendly logistics, focuses on reducing the environmental impact of logistics and supply chain management processes. It aims to incorporate environmentally friendly practices and technologies to minimize carbon emissions, energy usage, waste production, and other adverse effects associated with transportation, warehousing, packaging, and distribution activities. The core objective of green logistics is to promote sustainability by balancing economic efficiency with ecological stewardship.
Below is a compilation of case studies and industry examples in green logistics. Here, we explore how businesses across sectors are optimizing supply chains for sustainability. From renewable energy integration to waste reduction initiatives, these examples showcase practical strategies for minimizing environmental impact while maximizing efficiency.
Green Logistics Practices in Singapore
Singapore has emerged as a model for sustainable logistics practices in the region due to its strategic location, advanced infrastructure, and strong commitment to sustainability. The country has made significant strides in reducing carbon emissions and improving energy efficiency in transportation and warehousing operations. Its various initiatives include promoting cleaner fuels, optimizing route planning, and investing in energy-efficient vehicles and equipment such as electric and hybrid trucks. In addition to transportation, Singapore emphasizes sustainable warehouse management practices, with smart warehouses equipped with automation technology and energy-efficient lighting becoming increasingly common. Collaboration and innovation in the logistics sector are also prioritized through initiatives like the Green Transformation Lab, aiming to accelerate the adoption of sustainable logistics practices across the Asia Pacific region.
Singapore's commitment to sustainability extends beyond its borders through partnerships with international organizations and initiatives. For example, the country actively supports global efforts to reduce maritime pollution by adhering to regulations on sulfur emissions from marine fuel oil set by the International Maritime Organization. Overall, Singapore's proactive approach to sustainable logistics sets an example for other countries striving for a greener and more sustainable future.
Green Logistics Practices: Global Initiatives
Adopting Green Packaging Material
The adoption of green packaging materials has become increasingly prevalent as businesses seek to address the environmental impact of packaging materials. Typically, a single parcel may contain up to seven types of packaging material, including tape, cardboard boxes, styrofoam padding, and bubble wrap, commonly used to protect goods during transport. Unfortunately, a significant portion of these materials are plastic, contributing to the world's plastic waste crisis. According to a joint report by the World Economic Forum and the Ellen MacArthur Foundation, packaging accounts for nearly a third of all plastics production, with only 14% of it being recycled. With the rise of e-commerce, the demand for packaging materials is expected to increase further, exacerbating the issue of plastic waste. In response, many large businesses are turning to green packaging solutions. For instance, Dell, a computer hardware giant, has pioneered the use of bamboo packaging to safeguard some of its products during transport. Bamboo is an easily renewable and highly durable material, offering strength comparable to steel. Additionally, Dell is exploring alternatives such as pulp from sugar cane and mushrooms to create biodegradable alternatives to styrofoam.
Individuals can also contribute to the adoption of green packaging by making conscious choices. For example, British packaging company, Woolcool, has developed a sustainable, insulated packing option made from sheep's wool, capable of maintaining products at various temperatures and reusable up to four times. Likewise, Huidu Huanbao, a Chinese company, has introduced a green recyclable packaging box designed for up to 14 reuses. Furthermore, companies like Noissue offer made-to-order, custom packaging solutions, ensuring that every product is 100% reusable, recyclable, or compostable. These initiatives highlight the importance of transitioning to green packaging practices to mitigate the environmental impact of packaging materials and reduce plastic waste.
Smarter, Space-Saving Packing
Businesses are facing criticism for excessive packaging like shipping small items in oversized boxes filled with unnecessary packing materials. The debate has prompted eco-conscious consumers to actively "package shame" e-commerce companies on social media platforms. To tackle the issue, smarter and greener packaging practice provides a simple solution. For instance, DHL collaborated with a customer in the USA to tackle excessive packaging caused by empty space within parcels. Together, they developed a carbonization system that selects appropriately sized boxes for each shipment, reducing the need for excess packaging materials. By maximizing the number of boxes packed into each shipment, this approach minimizes the overall number of shipments required, thereby reducing both environmental impact and costs.
Similarly, some companies have successfully reduced waste and expenses by utilizing flexible, protective packaging options like bags and pouches, which occupy less space compared to traditional boxes. Incorporating sustainable, space-saving packaging strategies into the green logistics approach not only enhances a company’s environmental credentials but also leads to significant cost savings. To implement these strategies effectively, consider opting for right-sized boxes or flexible packaging based on the nature of your products. Additionally, partnering with a logistics company that utilizes smart cargo-packing software can ensure optimal utilization of space in containers and vehicles, ultimately reducing transportation costs.
Adopting a Green Supply Chain
Efficient management of waste within your supply chain not only impacts emissions but also affects financial performance. Factors such as wasted employee time due to inefficient warehouse layouts, unused warehouse space, and inadequate inventory planning can contribute to unnecessary costs. Implementing smart technologies can help mitigate these types of waste and enhance yard logistics efficiency. Transportation, however, remains a significant obstacle in achieving a green supply chain. While it's essential to move products from suppliers to warehouses and then to customers, transport is a major contributor to greenhouse gas emissions. One effective strategy to minimize its impact is through route optimization. By utilizing route optimization tools, you can streamline routes, reduce travel time and distance, minimize excess mileage, and consequently lower fuel consumption, leading to reduced emissions and costs.
Additionally, training delivery drivers in eco-driving practices, such as maintaining fuel-efficient speeds, can further contribute to emission reduction. Adopting greener fuel alternatives is another crucial step in reducing transport emissions. While electric vehicles offer a sustainable solution for road transport, sustainable aviation fuel (SAF) is now available for air shipping, providing another environmentally friendly option, especially for cross-border shipments.
DHL’s Route Optimization Initiative
An example of progressing toward a greener supply chain is DHL, which is exploring route optimization solutions like GreenPlan, utilizing advanced algorithms to optimize planning while considering local traffic flow and time of day. DHL has also incorporated sustainable alternatives for road transport like electric vehicles into around 20% of its fleet and aims to electrify 60% of its ground fleet by 2030. Additionally, DHL is also adopting green options for air shipping such as Sustainable Aviation Fuel (SAF) service, which enables direct reduction of Scope 3 emissions. DHL's recent substantial SAF deal with BP and Neste underscores its commitment to sustainability, with estimated CO2 savings equivalent to the annual emissions of approximately 400,000 passenger cars.
Sustainable Storage
In addition to minimizing CO2 emissions during transportation, green logistics also encompass sustainable storage practices. Insulating warehouses to conserve energy on heating and implementing measures to reduce water waste, such as rainwater harvesting systems, are effective ways to enhance sustainability. Optimizing warehouse layout and planning and opting for LED lighting can save time, energy, space, and costs, thereby reducing emissions. Leveraging smart technologies and automation further aids in achieving these efficiency goals. Strategic considerations for warehouse locations play a crucial role in minimizing emissions from last-mile delivery transport. Positioning warehouses closer to customer demand centers can significantly reduce transportation emissions. Alternatively, for businesses with warehouses situated far from customers, implementing pop-up warehouses for popular products can offer a quick solution to reduce emissions. Moreover, for businesses with physical retail stores, establishing a delivery system from these stores, rather than the central warehouse, based on proximity to customers can further optimize emissions reduction efforts.
Reduce Failed Delivery & Return
To mitigate the environmental impact and costs associated with failed deliveries, offering customers a variety of delivery options can be an effective strategy. These options include leaving parcels with neighbors, delivery to parcel lockers, or providing on-demand delivery slots. By providing such alternatives, businesses can reduce the need for multiple delivery attempts, thereby lowering emissions and operational costs. Moreover, enabling customers to track their deliveries allows them to anticipate delivery times and ensure someone is available to receive packages, further minimizing the occurrence of failed deliveries. Additionally, embracing innovative solutions like letterbox packaging can facilitate seamless delivery even when customers are not home, thereby reducing the need for re-deliveries and associated emissions.
In addition to reducing failed deliveries, minimizing returns is crucial for mitigating additional emissions resulting from extra journeys. One effective strategy is to enhance the online shopping experience by providing detailed product descriptions and high-resolution imagery on websites. This helps manage customer expectations, reducing the likelihood of returns due to mismatched expectations upon receipt of the product. Furthermore, using appropriate packaging materials to prevent damage during transit is essential for reducing returns and replacements, thereby lowering emissions associated with return transportation. While returns may still occur, handling them sustainably by providing green packaging options for customers to reuse can further mitigate their environmental impact and contribute to overall sustainability efforts.
To implement these strategies effectively, businesses can explore various delivery options that minimize failed delivery attempts and communicate delivery details transparently to customers. Additionally, investing in innovative packaging solutions like letterbox packaging can enhance delivery efficiency and reduce the need for re-deliveries. Moreover, focusing on comprehensive product information and appropriate packaging materials can help minimize returns and associated emissions.
Reference
1. DHL. (n.d.). Green logistics toolkit. Retrieved from https://www.dhl.com/discover/en-my/logistics-advice/sustainability-and-green-logistics/dhl-green-logistics-toolkit
2. Singapore Economic Development Board. (n.d.). New road map to boost sustainability, digitalization for Singapore logistics firms. Retrieved from https://www.edb.gov.sg/en/business-insights/insights/new-road-map-to-boost-sustainability-digitalisation-for-singapore-logistics-firms.html