To understand and respond to the common ecological and environmental challenges faced by human beings, this study investigated the relationship between territorial spatial development (TSD), eco-environmental responses, and territorial spatial planning (TSP) from the perspective of human-environment interactions and explores a feasible way to modulate these human-environment interactions by taking China’s TSP practice as an illustrative case. The research results show that (1) the interplay between territorial development, resource utilization, and environmental feedback forms the crux of human-environment interactions. Notably, eco-environment responses, one of which is the spread of germs, coupled with human development and utilization behavior constitute a complete negative feedback loop. Human beings’ adjustment to the unbalanced conditions in these interactions, employing institutions, technology, planning, and other tools, constitutes a positive cycle within human-environment interactions. (2) TSP can regulate the whole process of human-environment interactions through mechanisms such as coordination and control, adaptation and mitigation, and consolidation and restoration. (3) Unreasonable agricultural development and urban expansion have triggered intense negative feedback on the ecological environment. (4) The Chinese government has carried out a top-down TSP reform initiative to establish a unified planning system. This aims to alleviate the adverse ecological and environmental effects caused by TSD and build a more secure territory space pattern. Therefore, nations around the globe should innovate their spatial planning management systems and spatial planning systems, standardize and guide the development and utilization of spatial resources, and coordinate the relationship between humans and the environment.

The rate of vegetation green-up (RVG) indicates the ability of vegetation to respond to changes in climatic conditions. Understanding long-term RVG trends can clarify the changes in how quickly the vegetation grows from dormancy to maturity with time. However, how RVG trends respond to environmental variables and variable interactions remains unknown. We examined the long-term RVG trends (1981–2018) over the northern extratropics and determined the influence of environment variables and interactions between variables on the RVG trends based on the Global Land Surface Satellite leaf area index and a multivariable regression considering interactions between variables (MRCI). Our results showed a persistent increase in RVG at 0.020% (8-day)⁻¹ year⁻¹ over the entire region. Except for shrublands (−0.032% (8-day)⁻¹ year⁻¹), RVG trends increased significantly, particularly in woody savannas (0.095% (8-day)⁻¹ year⁻¹) and mixed forests (0.076% (8-day)⁻¹ year⁻¹). The relative importance of interactive effects (RI_IAE) to the RVG trends is roughly 30%. Rising CO₂, enhanced vapor pressure deficit (VPD), and warming are the primary factors affecting the RVG trends, both at the pixel and the biome scales. The accelerated RVG is triggered by both rising CO₂ and warming but is partially offset by increased VPD. Our findings shed light on the relative contribution of variable interactions and assessed the relationship between environmental factors and RVG trends across different biomes, hence strengthening our knowledge of vegetation spring green-up in response to global change.