Environmental issues refer to any concern or problem related to the natural world and its ecosystems. This research area involves studying the impact of human activities on the environment, such as pollution, deforestation, climate change, and loss of biodiversity. Researchers in this field work to understand these issues, find ways to mitigate their effects, and develop sustainable solutions to protect and preserve the environment for future generations. Environmental issues are interdisciplinary and encompass a wide range of topics, including air and water quality, land use, waste management, and conservation efforts. Overall, the goal of research in this area is to achieve a healthy balance between human activities and the preservation of the natural world.