What field studies the relationship between climate, water, land, and human interaction with these elements?

The field that studies the relationship between climate, water, land, and human interaction with these elements is environmental science. This discipline focuses on the interactions between biological, chemical, and physical components of the environment, including the impact of human activities on these systems. It involves understanding how natural systems work and how human actions can affect these systems, thereby influencing climate, water resources, and land use.

While physical geography also examines natural features and processes of the Earth, including climate and landforms, it does not specifically address the human interaction aspect as comprehensively as environmental science does. Cultural geography focuses on the spatial aspects of human culture and how it interacts with physical space but does not delve deeply into the natural sciences. Political geography deals with the spatial distribution of political processes and structures, which is not directly related to the study of climate and land interactions as influenced by human activity.

Thus, environmental science integrates these elements, making it the most fitting discipline for studying the intricate relationships between climate, water, land, and human interactions with them.