The physical environment - Typical Humans

Everything around us is our environment, everything we see, hear, breathe, taste, touch and smell. We even detect gravity so as to balance upright, gravity is part of our environment too.

Important bits about the environment:

it can, in some places, support us in our homeostasis.
it can, in some places, provide us with nourishment in abundance.
it can, at times and places, consume us in less than a blink of an eye.
the environment is overlapping layers of cycles all doing their own individual thing in their own particular time scales.

Humans require a number of things from the environment to survive and thrive, including:

Access to clean and safe water for drinking and sanitation
Access to clean and safe air for breathing
Access to food, whether through hunting and gathering, farming, or trade
Access to shelter and protection from the elements
Access to healthcare and medical services
Opportunities for physical activity and recreation
Socialization and a sense of community
Access to education and other opportunities for personal and professional development
A sense of connection to the natural world.

It's worth noting that the specific needs of humans can vary depending on factors such as location, culture, and individual circumstances.

The physical environment is made up of energy moving in time; the physics of light, the chemistry of atoms, the geology of minerals, the biology of life and the overwhelming scale of the potential universe.

We live in the human time scale but there are many other lenses to look through that allow us to observe orders of time on different scales.

The Earth's physical environment (the place we humans live) is made up of a number of different components, including:

The atmosphere, which is the layer of gases that surrounds the Earth and is composed primarily of nitrogen and oxygen, with smaller amounts of other gases such as carbon dioxide and methane.
The hydrosphere, which is the Earth's water and includes oceans, rivers, lakes, and groundwater.
The geosphere, which is the Earth's solid surface and includes landforms such as mountains, valleys, and plateaus, as well as the underlying rock and soil.
The biosphere, which is the Earth's living organisms and includes plants, animals, and microorganisms.

All these components are interconnected and dependent on each other for their survival, and human's actions have an impact on all of them.

The electromagnetic environment

In towns and cities, the electromagnetic environment is made up of a variety of sources, including cell phone towers, Wi-Fi routers, Bluetooth devices, and other wireless technologies. Additionally, there are often many buildings and other structures that can reflect or block signals, creating a more complex environment. In the countryside, there are typically fewer sources of electromagnetic radiation, and the signals may be less reflected or blocked, resulting in a simpler environment.

The level of ambient electromagnetic energy in an urban household can vary widely depending on the specific location and devices in use. In general, however, it is likely to be higher than in a rural household due to the presence of more electronic devices and higher density of wireless communication infrastructure in urban areas. According to the World Health Organization (WHO), the average electric field strength in homes is about 0.1-10 V/m, and the average magnetic field strength is about 0.01-1 microtesla (µT). However, in certain areas or rooms with high concentrations of electronic devices or near high-voltage power lines, the levels can be much higher.