Welcome to the Summer School 2025 special issue on Environmental Science and Sustainability. Explore research spanning from assessing urbanization impacts on biodiversity hotspots to climate change adaptation strategies for coastal communities. Dive into articles discussing agroecosystem resilience, water quality in urban rivers, community-based adaptation to drought, coral reef ecosystems, and sustainable land use planning in peri-urban areas. This issue offers insights crucial for researchers, policymakers, and practitioners addressing pressing environmental challenges.