As the world moves toward renewable energy, addressing climate change, energy security, and sustainable development, we face new challenges in protecting our ecosystems. The rapid growth of renewable energy sources like wind, solar, and hydropower, while essential, can lead to issues such as habitat fragmentation, species displacement, and changes in land and water use. This chapter explores the environmental impacts of various renewable energy sources and emphasizes the need to balance energy needs with ecological protection. Through recent research, case studies, and innovative approaches, this chapter outlines strategies to reduce the environmental impact of renewable energy projects. These include integrating environmental assessments into project planning, using advanced technologies to minimize harm, and compensating for habitat loss to offset the effects of human activities. The chapter also underscores the importance of integrated planning, which combines spatial planning, community engagement, and adaptive management, to harmonize renewable energy development with ecosystem conservation. By providing practical examples and lessons from international experience, this chapter aims to guide policymakers, conservationists, and energy developers toward achieving broader environmental sustainability goals. Ultimately, it contributes to the concept of “green equilibrium,” where the pursuit of a low-carbon future goes hand-in-hand with protecting and restoring the planet's biodiversity, ensuring that our energy transitions are not only clean but also ecologically responsible.