Which is the highest level of environmental organizatoin?

The highest level of environmental organization is often considered to be the biOSphere, which encompasses all ecosystems and living organisms on Earth, along with their interactions with the atmosphere, hydrosphere, and lithosphere. It represents the global ecological system and highlights the interconnectedness of all life and environmental processes. Within this context, international organizations, such as the United Nations Environment Programme (UNEP), also play critical roles in addressing global environmental issues.