The pollution problem is complicated for several reasons:

Multiple sources: Pollution comes from various sources such as industrial plants, transportation, and agriculture, making it challenging to pinpoint the exact cause of pollution.
Different types of pollutants: There are different types of pollutants, including air, water, and soil pollutants, which require different methods for control and mitigation.
Global issue: Pollution is a global problem, and different countries have different regulations, making it difficult to enforce universal standards.
Economic considerations: Industries that contribute to pollution may also generate jobs and revenue, making it challenging to balance economic considerations with environmental concerns.
Human behavior: Pollution is also linked to human behavior, such as littering and improper waste disposal, making it necessary to change human behavior to reduce pollution.
Overall, addressing the pollution problem requires a multi-faceted approach that considers various factors, including technology, policy, and human behavior.

The pollution problem is complicated for several reasons. Firstly, pollution can come from various sources such as factories, transportation, agriculture, and households. Each source has its own unique characteristics and requires different solutions to address it. Secondly, pollution can have both short-term and long-term effects on the environment and human health, making it difficult to measure and manage. Thirdly, pollution is a global issue that requires cooperation and coordination among different countries and stakeholders. Finally, addressing pollution often involves trade-offs between economic growth and environmental protection, which can be difficult to balance. All of these factors contribute to the complexity of the pollution problem.