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Welcome to the eGyanKosh platform, where we provide essential academic resources to support your learning journey. In this unit, “Our Ecosystem and the Threats to It,” we delve into the intricate relationships within ecosystems and examine the various challenges they face in today’s world. Designed for IGNOU students in 2025, this study material offers comprehensive insights into ecological dynamics, the impact of human activities, and strategies for sustainable management. With a focus on fostering environmental awareness and promoting critical thinking, this resource is available for free download to enhance your understanding of these vital issues. Join us in exploring the delicate balance of our ecosystems and the urgent need to address the threats they encounter.