Simi Podder, Dr. Nusrat Hafiz
Dr. Hafiz is an assistant professor and
Simi Podder is an undergraduate student at BRAC University
On a typical weekday morning, Safraz logs into his university class from his small room in Keraniganj. His laptop screen fills with familiar squares: classmates joining from Dhaka, Chattogram, Sylhet, even rural districts. No traffic, no crowded buses, no rushing across campus buildings. For many students of Generation Z in Bangladesh, this scene is no longer unusual. What began as an emergency response during the pandemic has gradually reshaped how education is delivered. In recent months, universities in Bangladesh have again shifted partially toward online classes in response to transportation disruptions, urban congestion, and operational challenges. As a result, virtual lectures and hybrid classrooms have once again become a routine part of academic life. This renewed shift has sparked an important conversation: are online classes not only convenient, but also environmentally sustainable?
At first glance, the answer seems obvious. Fewer students commuting to campus means fewer vehicles on the road and lower fuel consumption. Paper usage declines as assignments, lecture slides, and reading materials move to digital platforms. Campus buildings consume less electricity when classrooms are not operating at full capacity.
In a country where thousands of students travel long distances every day to attend universities in Dhaka and other major cities, these reductions can be significant. Transport emissions, traffic congestion, and energy-intensive campus operations all decline when learning partially moves online. From a sustainability perspective, this appears promising.
Yet the environmental story of online education is more complex than it initially seems. Digital learning depends on an invisible infrastructure of servers, data centers, internet networks, and personal devices. Every lecture streamed through platforms such as Zoom or Google Meet travels through layers of digital systems that consume electricity. Video streaming, in particular, requires substantial data processing and storage. Data centers already account for a growing share of global energy consumption. Meanwhile, the laptops, smartphones, routers, and tablets used by students must be manufactured, charged, and eventually replaced, contributing to electronic waste. In other words, online education does not eliminate environmental impact. It redistributes it.
The real sustainability question therefore becomes not whether education should be online or offline, but how digital learning can be designed responsibly. For Bangladesh’s Gen Z students, however, environmental impact is only part of the conversation. Effectiveness matters just as much.
Generation Z is often described as the first truly digital generation. They grew up with smartphones, social media, and constant connectivity. In theory, online learning should fit naturally with their technological habits. Yet the reality inside virtual classrooms tells a more nuanced story. Many students appreciate the flexibility that online learning offers. Hours previously lost in traffic can now be spent revising lectures, completing assignments, or pursuing part-time work. Recorded lectures allow students to revisit difficult topics at their own pace. For students living outside major cities, digital platforms can also reduce geographical barriers to higher education.
At the same time, Gen Z students frequently express mixed feelings about prolonged online learning. Attention often declines during long video-based lectures. Without the social energy of a physical classroom, motivation can weaken. Classroom discussions that would naturally emerge face-to-face often become quieter when students keep microphones muted and cameras turned off. Some students also report feelings of academic isolation. University life is not only about lectures; it is also about peer interaction, collaborative learning, and informal discussions that shape intellectual growth.
The digital divide remains another major challenge. Reliable internet access, stable electricity, and suitable devices are still unevenly distributed across Bangladesh. For some students, online learning expands access. For others, it introduces new barriers. Environmental sustainability must therefore be balanced with educational effectiveness and accessibility.
Rather than replacing traditional classrooms entirely, many universities may find that hybrid learning offers the most practical path forward. A carefully designed combination of online and in-person instruction can capture the strengths of both systems. For instance, theoretical lectures and recorded content can be delivered online, reducing commuting and classroom energy consumption. Meanwhile, discussions, group work, laboratory sessions, and collaborative projects can take place in physical classrooms where interaction is stronger. Such hybrid models can reduce environmental impact while preserving the social and intellectual dynamics that make education meaningful.
There are also practical ways to make digital learning greener. Universities can optimize video quality to reduce data usage, encourage recorded lectures instead of energy-intensive live streaming, and collaborate with technology providers that operate renewable-powered data centers. Equally important is designing online learning strategies that truly engage Gen Z students. Shorter lecture formats, interactive digital tools, and blended teaching approaches can help maintain attention and participation in virtual environments.
Bangladesh now stands at an interesting moment in this transition. The country has rapidly expanded internet access, mobile connectivity, and digital financial services. Education is entering the same phase of digital transformation. Yet technology alone does not guarantee better learning or greater sustainability. The real challenge is designing an education model that aligns environmental responsibility with student engagement and equitable access.
A practical solution may lie in structured hybrid education rather than fully online or fully physical systems. Universities could adopt a two-tier teaching model: theoretical lectures delivered online two or three days a week, while interactive sessions such as discussions, labs, presentations, and group work remain on campus. Such a system creates a clear win-win. Students would commute fewer days, reducing transport congestion, fuel consumption, and urban emissions. Universities would lower energy use in classrooms and campus facilities. At the same time, students would still experience the collaboration, mentorship, and peer learning that physical campuses uniquely provide. The model also benefits students living outside major cities. With fewer required travel days, higher education becomes more accessible and affordable for those who previously faced long and costly commutes.
To support this transition, universities and policymakers could introduce several practical measures: encouraging recorded lecture libraries, investing in energy-efficient digital platforms, and expanding campus digital infrastructure so students without reliable home internet can access online resources on site. For students like Safraz, the future of education will likely not exist entirely on a screen or entirely inside a classroom. Instead, it will be intelligently hybrid, reducing environmental impact while preserving the human connections that make education meaningful. If designed thoughtfully, Bangladesh has the opportunity to turn this moment of digital transition into something larger: a higher education system that is more accessible, more engaging, and more sustainable for the generations ahead.
