Earth Day is observed every year on 22 April across the world, but for Bangladesh, it should be more than a symbolic occasion. Climate change is no longer confined to scientific debate, it has become an everyday reality shaping lives and livelihoods. Against this backdrop, many expect the government to treat the day as a reminder of national security, economic resilience, and the survival of future generations.

The idea of Earth Day began in the United States in 1970. Senator Gaylord Nelson called for a mass movement to raise awareness about environmental pollution and the negative impact of industrialisation, while environmental activist Denis Hayes organised the campaign.

Nearly 20 million people took part in the first Earth Day, staging peaceful protests against environmental degradation.

According to Encyclopaedia Britannica, Earth Day is an annual global event celebrated on 22 April to promote environmental awareness, conservation, and sustainable development.

Inspired by the environmental movements of the 1960s, the first observance took the form of a "teach-in" and later contributed to landmark US laws such as the Clean Air Act and the Endangered Species Act.

In 1990, under Denis Hayes' initiative, Earth Day went global for the first time, drawing nearly 200 million people from 141 countries.

Today, countries mark the day through tree plantation drives, beach and park clean-ups, environmental education, climate awareness campaigns, and advocacy for renewable energy.

While most countries observe it on 22 April, some regions celebrate it during spring.

For Bangladesh, the day must go beyond symbolism. It should serve as a warning and a call to action, backed by concrete plans to safeguard not only the present generation but also those to come.

Research organisation Germanwatch has consistently ranked Bangladesh among the most climate-vulnerable countries in its Climate Risk Index, which assesses countries based on losses from cyclones, floods, heatwaves, fatalities, and economic damage caused by climate-related disasters.

Despite contributing very little to global carbon emissions, Bangladesh suffers disproportionately due to its geography, population density, and coastal vulnerability. Rising sea levels, stronger cyclones, river erosion, and salinity intrusion are not just statistics; they translate into lost homes, disrupted livelihoods, and internal displacement.

The topography of Bangladesh constitutes one of the largest deltas in the world. The Ganges-Brahmaputra-Meghna delta system serves as both a source of wealth and a point of fragility for the nation.

Any disruption in its ecological balance can affect agriculture, river transport, and the broader economy. Environmental protection here is not merely a development issue; it forms the foundation of national stability.

In this context, the Sundarbans holds critical importance.

As the world's largest mangrove forest, it is not only a biodiversity hotspot but also a natural shield against cyclones and tidal surges. Any degradation of the Sundarbans weakens coastal protection and directly affects national security.

Environmental conservation, therefore, must be seen as part of strategic defence, not a separate policy sector.

Urbanisation has added another layer to Bangladesh's environmental crisis. Dhaka has emerged as one of the most polluted cities in the world. Air pollution, water contamination, noise pollution, and unplanned waste management continue to erode urban life.

Earth Day, in this sense, serves as a reminder that development cannot remain sustainable if it damages the environment in the process.

The country's maritime future also brings new urgency. Bangladesh is pursuing its blue economy ambitions, hoping to capitalise on the promise of significant potential in fisheries, energy, and maritime trade offered by the Bay of Bengal.

However, turning this potential into reality requires long-term, sustainable management. Without control over marine pollution, overexploitation, and ecological degradation, this opportunity could quickly turn into a crisis. Earth Day furthermore highlights the need to align the blue economy with environmental balance.

There is also a moral dimension. Bangladesh contributes minimally to global emissions but remains one of the worst victims of climate change. This reality strengthens the country's moral position in demanding climate justice on international platforms. Earth Day provides an opportunity to amplify that demand.

Ultimately, Earth Day should not remain just another international observance for Bangladesh. It represents a strategic reality. Environmental protection is not a luxury; it is essential for national survival. If environmental concerns remain outside core policymaking, development itself risks becoming unsustainable.

In conclusion, one message stands clear. Bangladesh's sustainable future will not come through confrontation with nature, but through coexistence with it. That should be the guiding principle of this year's Earth Day.

 

Writer: Commodore Syed Misbah Uddin Ahmad, (C), NUP, ndc, afwc, psc, BN (retd), Director General, Bangladesh Institute of Maritime Research and Development (BIMRAD). Email: misbah28686@gmail.com