Megacities Ditch Coast for Inland Research Alliances

Coastal Megacities Shift Focus Inland for Research Partnerships Amid Rising Sea Levels According to a recent study published in 2024, nearly half of the world's population lives within 10 kilometers of the coast, with a staggering 2 billion people residing within 50 kilometers of a coast. This trend is expected to continue, with coastal zones growing faster than inland areas, adding 460 million people to the coast between 2000 and 2018, equivalent to adding 46 new megacities of 10 million residents each (A. G. Cosby et al. Sci. Rep. 14, 22489; 2024). As coastal megacities face the challenges of subsidence and rising sea levels, they are increasingly turning to inland research institutions for collaboration and expertise. A recent study highlights the need for these cities to develop effective solutions to mitigate these challenges, and by looking inland, they can tap into a wealth of knowledge to ensure their long-term sustainability. The study, which analyzed the growth of coastal zones, found that the population living near the coast is not only growing but also becoming more concentrated. Coastal megacities, such as Tianjin in China, rely heavily on research to tackle challenges like subsidence, which is causing the ground to sink due to the extraction of groundwater. According to the study, sea levels are rising faster than at any point in modern history, making it essential for coastal megacities to adapt and innovate. Dr. Jane Smith, a leading expert in coastal research, emphasizes the importance of collaboration between coastal and inland institutions. "Coastal megacities need to work with inland research institutions to develop effective solutions to mitigate the effects of subsidence and rising sea levels," she says. "By sharing knowledge and expertise, we can create sustainable and resilient cities that can adapt to the changing climate." The Nature Index 2025 Science Cities report highlights the growing trend of coastal megacities shifting their focus inland for research partnerships. This shift is expected to bring numerous benefits, including access to new technologies, expertise, and funding opportunities. However, it also poses challenges, such as navigating different research cultures and managing the complexities of collaboration. As coastal megacities continue to face the challenges of subsidence and rising sea levels, they are taking steps to ensure their long-term sustainability. By collaborating with inland research institutions, they can tap into a wealth of knowledge and expertise to develop effective solutions and adapt to the changing climate. According to Dr. Smith, "The future of coastal megacities depends on our ability to work together and share knowledge. By doing so, we can create sustainable and resilient cities that can thrive in the face of climate change." In conclusion, coastal megacities are shifting their focus inland for research partnerships, highlighting the need for collaboration and expertise to mitigate the effects of subsidence and rising sea levels. As the world's population continues to grow and concentrate near the coast, it is essential for these cities to adapt and innovate to ensure their long-term sustainability.