Centre for Environmental Sustainability - University of Peradeniya

🌿 World Environment Day 2026 🌿
Clean Our Air Naturally – Start With One Plant

🌱 Environmental Day 2026 🌱

Join us for the Tree-Planting Campaign

📅 Date: 05th June 2026
🕗 Time: 8.00 A.M. – 9.00 A.M.
📍 Venue: Akbar Bridge, University of Peradeniya

🌿 All Are Invited to Participate 🌿

Let’s plant today for a greener tomorrow!

🌿 Protect Biodiversity, Protect Our Future 🌍✨
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📍 In Celebration of the International Day for Biological Diversity (IDB) 2026
🌏 Theme: “Acting Locally for Global Impact”

🌿 Geo spatial Mapping of Ecological Niches Along Stream Corridors in the University of Peradeniya 🌿

Biodiversity conservation begins at the local level. Our study explored the ecological importance of stream corridors within the University of Peradeniya using GIS and Remote Sensing technologies.

Through spatial analysis, vegetation classification, hydro-logical mapping, and ecological niche assessment, we identified riparian zones associated with natural and mixed forests as highly significant biodiversity-supporting habitats. These stream corridors function as ecological connectors that support habitat continuity, species movement, nutrient cycling, and ecosystem resilience.

🔍 Key Findings:
✅ Stream corridors maintain ecological connectivity within fragmented landscapes
✅ Riparian vegetation supports rich ecological niches and micro-habitats
✅ Natural and mixed forest areas show high ecological potential
✅ GIS and Remote Sensing provide effective tools for local biodiversity conservation planning

This study highlights how local landscapes such as university environments can contribute meaningfully to global biodiversity conservation goals.

🌱 Protecting ecological corridors today strengthens ecosystem resilience for future generations.

By: C. Priyadarshani
H.M.P.C.G. Herath
H.M.S.H. Herath

🐆🐆🐆
Leopards of Peradeniya: Living Side by Side
Why Co-existence Matters.

Date: Thursday 9th April 2026
Time: 7.30pm

On Zoom:
https://learn.zoom.us/j/94180430164?pwd=Ugu8030TiTHIgY5b7u069QXypYGRQp.1

Meeting ID:
9418043 0164
Passcode:
Y*P$zrf5

☘️World Wildlife Day - March 3☘️

📌Rising Peafowl Populations in Sri Lanka: Ecological Success or Emerging Conflict?

In recent years, the visible increase of Indian peafowl (Pavo cristatus) across Sri Lanka has sparked debate among conservationists, farmers, and local communities. Once primarily associated with dry zone forests and protected landscapes such as Yala National Park, peafowl are now frequently observed in agricultural lands, village settlements, and peri-urban areas.

While some interpret this expansion as a sign of ecological resilience, others experience it as an emerging environmental and socio-economic challenge.

📌Agricultural and Community Impacts

Several studies in Sri Lanka have documented crop damage attributed to peafowl, particularly in paddy, vegetables, legumes, and fruit cultivations. Farmers report economic losses and challenges in protecting crops due to the species’ protected status.

Public discourse further reflects these tensions, with residents reporting noise disturbances, garden damage, and frequent peafowl encounters in residential areas. These observations highlight that the challenge extends beyond biodiversity management, affecting rural livelihoods and the broader issue of human wildlife coexistence.

Is the increasing presence of peafowl a threat? Should it be controlled?

📌Cultural Significance and Policy Complexity

The management challenge is further complicated by cultural and religious reverence. In Hindu tradition, the peafowl is associated with Lord Murugan, whose sacred site at Kataragama remains a significant spiritual center. Within Buddhist symbolism, the peafowl represents wisdom and transformation.

As a legally protected species under the authority of the Department of Wildlife Conservation, lethal control measures generate ethical and social resistance.

This creates a complex conservation dilemma: how can Sri Lanka balance biodiversity protection, cultural respect, and agricultural sustainability?

Thus, the increasing presence of peafowl should not be viewed solely as a pest. Why is it happening?
Changing Landscapes and Expanding Ranges

The Indian peafowl is native to Sri Lanka and has long held ecological and cultural significance. However, recent ecological observations indicate a shift in distribution patterns beyond traditional dry zone habitats. Several interrelated factors contribute to this expansion:

Decline of natural predators such as leopards and jackals
Habitat fragmentation and deforestation
Agricultural intensification providing new food sources
Legal protection under national wildlife regulations

When predator populations decline and landscapes are modified by infrastructure development, settlement expansion, and wetland degradation, ecological checks and balances weaken. In such contexts, adaptable species with high reproductive potential may experience rapid population growth.

What is to be done?

📌Towards Integrated Environmental Management

Short-term measures such as localized removal may provide temporary relief but fail to address underlying ecological drivers. Sustainable management requires:

Restoration of predator habitats
Scientific population monitoring
Community-based conflict mitigation
Adaptive policy frameworks
Strengthened Environmental Education

The peafowl population increase reflects broader processes of land use change, environmental degradation, and shifting ecological relationships. Effective solutions must therefore be systemic rather than reactive.

Effective wildlife management must integrate scientific evidence, cultural sensitivity, and community participation. The growing peafowl population should be viewed not just as a pest or a conservation success, but as a reflection of ecological balance and sustainable development. Safeguarding Sri Lanka’s biodiversity one of the nation’s most valuable assets requires research-based, inclusive strategies that support both ecosystems and human livelihoods, promoting coexistence and environmental stewardship.

By: Ms. C. Priyadarshani

🍃Environmental Awareness Programme CES - University of Peradeniya 🍂

The Centre of Environmental Sustainability (CES) successfully conducted an Environmental Awareness Programme for undergraduate students of the Faculty of Dental Sciences, University of Peradeniya, on 23rd January 2026, with the participation of 57 students.

The programme aimed to enhance awareness of pressing environmental challenges such as climate change, pollution, biodiversity loss, and resource depletion, while encouraging personal responsibility and sustainable practices.

Students engaged in interactive discussions, group poster activities, zero-waste and waste-to-wealth concepts, and a guided nature walk - reinforcing the message that individual actions collectively create meaningful environmental impact.

☘️

# World Environmental Education Day

☘️Environmental Education: Building Awareness and Action in a Changing World☘️

🚫A Planet Under Pressure

Flooded towns, prolonged droughts, polluted rivers, disappearing forests, and rising temperatures are no longer distant warnings-they are everyday realities. Across the globe, communities are experiencing the visible consequences of climate change, environmental degradation, and unsustainable human activities. The air we breathe is increasingly polluted, access to clean water is becoming uncertain, fertile land is degrading, and biodiversity is rapidly declining. These environmental challenges threaten not only natural ecosystems but also human health, livelihoods, and social stability.

In Sri Lanka, recent climate-related disasters clearly reflect this global crisis. According to reports from the Disaster Management Center, more than 355,000 people across 25 districts have been affected by floods and extreme weather events. Thousands of houses were fully or partially damaged, forcing families to seek refuge in safety centers or with relatives. Districts such as Badulla, Kandy, Nuwara Eliya, and Puttalam were among the hardest hit, highlighting how environmental change directly disrupts daily life. These events remind us that environmental issues are not abstract concepts; they are lived realities with real human costs.

🧘‍♀️Understanding the Environment

The environment encompasses everything that surrounds us: the air we breathe, the water we drink, the land we inhabit, and the complex web of plants, animals, and ecosystems that sustain life. It also includes human-made surroundings such as cities, roads, and infrastructure. All these elements are interconnected, forming a dynamic system whose balance is essential for survival and well-being. The environment provides food, clean water, shelter, energy, and natural resources, making it the foundation of both life and development.

🤝Humans and the Environment: A Delicate Relationship

Human societies are deeply dependent on the environment for economic activities, energy production, food security, and shelter. However, industrialization, deforestation, excessive resource extraction, pollution, and poor waste management have placed immense pressure on natural systems. When ecosystems are disrupted, the consequences are immediate and severe—manifesting as health problems, economic losses, food insecurity, and increased vulnerability to natural disasters. This close and interdependent relationship underscores the responsibility humans carry in shaping the future of the planet.

☄️Major Environmental Challenges

Some of the most pressing environmental issues today include climate change, air and water pollution, deforestation, biodiversity loss, soil degradation, and plastic waste. These challenges are largely driven by unsustainable development patterns and human behavior. Climate change, in particular, intensifies extreme weather events such as floods, droughts, heatwaves, and storms, threatening ecosystems, infrastructure, and human lives. Addressing these challenges is essential to protect natural resources and ensure a sustainable future for present and future generations.

📖Why Environmental Education Matters

In the face of these growing challenges, environmental education becomes not just important, but essential. Environmental education is a lifelong and interdisciplinary process that helps individuals understand environmental systems, recognize the consequences of human actions, and develop the skills needed to address environmental problems. The Tbilisi Declaration (1978) emphasizes that environmental education builds awareness, knowledge, attitudes, and skills that encourage responsible behavior toward the environment. UNESCO further highlights that it is not a separate branch of science, but a holistic approach that links environmental protection with improved quality of life.

Through environmental education, individuals are empowered to make informed decisions, adopt sustainable practices, conserve resources, reduce waste, and actively participate in community and policy-level initiatives. It fosters critical thinking, ethical values, and collective responsibility-key elements needed to respond effectively to environmental crises.

⏳The Impact of Environmental Education

Environmental education creates informed citizens capable of transforming concern into action. It raises awareness of environmental problems, promotes sustainable lifestyles, strengthens disaster preparedness, and builds resilience within communities. Over time, it helps cultivate a culture of sustainability that influences public behavior, governance, and development pathways, benefiting both people and the planet.

👉Conclusion

The environmental challenges we face today clearly demonstrate that ignorance is no longer an option. Floods, pollution, climate change, and ecosystem degradation demand informed action and responsible choices. Environmental education serves as a powerful bridge between knowledge and action, enabling individuals and societies to protect the environment while enhancing human well-being.

🌍On World Environmental Education Day, let us remember: An informed mind is the strongest tool for protecting our environment.

📢Educate. Act. Sustain the future!






By: Ms. Priyadarshani