Final answer:
The major problem with radios in a desert environment is the interference from electromagnetic radiation, which is exacerbated by the use of more radio channels for cellular communications, potentially interfering with radio astronomy.
Step-by-step explanation:
The major problem with radios in a desert environment primarily relates to two distinct issues: the physical challenges posed by the harsh environment itself, and the interference from electromagnetic radiation, which is a significant concern for radio communications and radio astronomy. In this context, our focus is on the latter problem, the interference caused by various terrestrial communications.
Radio astronomers face the challenge of radio wave pollution which is an environmental threat similar to light pollution in observational astronomy. As the demand for communication increases, notably for cellular phones, more radio channels get occupied, potentially drowning out the faint signals from cosmic radio sources. Astronomers require clear radio channels to conduct research, while cellular companies seek to expand their networks for profit. The task for policymakers would be finding a balance between the needs of scientific research and the financial incentives for commercial expansion.
Astronomers and astrophysicists utilize different radio frequency bands to minimize electromagnetic interference between communication systems. However, the sprawling use of communication devices multiplies the complexity of preserving these designated bands. Lawmakers would need to weigh the importance of maintaining these clear channels against the economic benefits of developing cellular networks.