Final answer:
The external environment is impossible to control due to the second law of thermodynamics, the complexity of global challenges, and human behavior.
Step-by-step explanation:
The external environment is impossible to control due to various factors. One reason is the second law of thermodynamics, which states that differences between the inside and outside diminish over time and tend towards uniformity. This means that any conditions an organism develops to promote life functions will eventually disappear because the environment will change to become more like the organism's internal conditions. However, interaction with the external environment is essential for obtaining necessary materials and getting rid of harmful substances.
Another reason is the complexity and interconnectedness of the global challenges we face. These challenges, such as pollution and climate change, cannot be solved by individual nations or entities acting alone. They require global cooperation and collective action. The practical details of implementing and regulating such international systems are complex, making it unlikely for a centralized world government to impose a detailed system of environmental control.
Furthermore, individual behavior and human nature also play a role. It can be difficult for individuals to prioritize long-term considerations over immediate desires for more resources. Sustainability requires a shift in values and a commitment to deny ourselves easily accessible resources for the greater good of the whole.