Dr. Muhammad Akram Zaheer
Each summer brings fresh warnings from climate scientists and each year those warnings become more difficult to ignore. Rising temperatures are no longer distant projections confined to scientific journals; they have become part of daily life. Across the world, heatwaves are lasting longer, forests are burning more frequently, glaciers are shrinking and weather patterns are becoming increasingly unpredictable. Pakistan stands among the countries most vulnerable to these changes. From prolonged droughts to devastating floods and increasingly severe heatwaves, the country has already begun to experience the consequences of a warming planet.
The challenge before us is immense, but nature continues to offer opportunities for meaningful action. One of the greatest of these arrives every year with the monsoon. For most people, the rainy season evokes memories of cool evenings, the fragrance of wet soil and relief from the scorching heat. Yet the monsoon represents far more than a welcome change in weather. It is nature’s annual invitation to restore what has been lost. Rainfall creates ideal conditions for tree plantation. The softened soil allows roots to spread quickly, while the increased moisture reduces the stress that young saplings often experience after transplantation. Natural rainfall also lessens the need for constant irrigation, improving survival rates and reducing maintenance costs. These are precisely the reasons why many countries organise their largest afforestation campaigns during the rainy season.
Trees remain among the most effective allies in the struggle against climate change. They quietly perform services upon which human civilisation depends. By absorbing carbon dioxide and releasing oxygen, they help moderate the concentration of greenhouse gases in the atmosphere. Their shade lowers surface temperatures, reducing the urban heat island effect that makes cities significantly warmer than surrounding rural areas. Their roots hold soil together, limit erosion, recharge groundwater and lessen the destructive impact of heavy rainfall. Their branches provide shelter for birds, insects and countless other forms of life that sustain healthy ecosystems.
Pakistan has every reason to embrace this natural solution with renewed determination. The country has witnessed an alarming decline in tree cover over several decades. Rapid urbanisation, expanding road networks, commercial development and unchecked construction have steadily replaced green spaces with concrete. While economic growth demands infrastructure, development that ignores ecological balance eventually imposes far greater costs through declining air quality, water shortages and extreme weather.
Lahore illustrates this transformation with painful clarity. Once celebrated for its gardens, tree-lined avenues and canals, the city now struggles with dense smog during winter and intense heat during summer. Expanding residential schemes, shrinking open spaces and increasing traffic have altered both the landscape and the climate. Similar trends are visible in many other urban centres where green belts continue to disappear. Unless this trajectory is reversed, future generations may know these cities only through photographs and nostalgic descriptions.
The value of trees extends beyond environmental protection. Green surroundings contribute significantly to public health and social well-being. Parks and shaded streets encourage outdoor activity, reduce stress and improve mental health. Children benefit from safe places to play, while elderly citizens find relief from harsh summer temperatures. Research across the world has consistently shown that neighbourhoods with greater tree cover enjoy healthier living conditions and stronger community interaction. A greener city is often a more liveable and humane city.
Yet tree plantation must not become a numbers game. Public campaigns often celebrate the distribution of millions of saplings, but far less attention is paid to whether those plants survive beyond the first season. Plantation without maintenance produces little lasting benefit. A single mature tree contributes more to the environment than hundreds of neglected saplings that fail to take root. The emphasis, therefore, should be on quality rather than publicity. Indigenous species adapted to local climatic conditions deserve priority because they require less water, support native biodiversity and generally survive better than imported varieties. Species such as banyan, peepal, neem, shisham, kikar, jamun, beri, moringa and dharek have long flourished in Pakistan’s environment and continue to provide valuable ecological services. Their restoration should become an essential component of both public policy and community participation.
Government institutions undoubtedly have an important role to play through urban planning, forest conservation and effective enforcement against illegal tree cutting. However, environmental responsibility cannot remain the exclusive domain of the state. Schools, universities, religious institutions, businesses, industries and neighbourhood organisations all possess the capacity to transform local landscapes. Every available space, whether within educational campuses, public parks, roadside corridors or residential communities, offers an opportunity to expand tree cover.
Families also have an important responsibility. Environmental awareness begins at home and children who grow up planting and caring for trees are more likely to value conservation throughout their lives. A tree planted to celebrate a birthday, graduation, marriage or other family milestone carries a meaning that extends far beyond the occasion itself. It becomes a living reminder that personal happiness can also contribute to the common good. Islamic tradition further strengthens this sense of responsibility. Caring for the earth, protecting living creatures and planting trees are regarded as virtuous acts that continue to benefit others long after the planter is gone. Every traveller who rests beneath a tree, every bird that builds a nest among its branches and every child who enjoys its shade becomes part of a continuing legacy of service. Environmental stewardship is therefore not only a civic obligation but also a moral one.
The urgency of the moment cannot be overstated. Climate change is accelerating and each passing year narrows the window for effective action. Delaying meaningful environmental restoration will only increase the burden placed upon future generations. They will inherit hotter cities, scarcer water resources and more frequent natural disasters if present trends continue unchecked. The monsoon offers a practical opportunity to change this course. Instead of treating the rains merely as seasonal relief, they should be regarded as the beginning of a national effort to restore ecological balance. Every citizen who plants a tree this season contributes, in however modest a way, to cleaner air, healthier communities and a more resilient Pakistan.
The question facing us is no longer whether climate change is real. It is whether society is prepared to respond before the consequences become irreversible. The answer need not begin with grand declarations or expensive technologies. It can begin with a single sapling placed carefully into rain-soaked soil, protected through its early years and allowed to grow into a source of shade, life and hope. That small act, repeated across thousands of homes and communities, may ultimately prove to be one of the most valuable investments we make in Pakistan’s future.
