Which statement best describes the MRT-4 project's significance in the EIA context?

• A. A minor project that typically does not require assessment.
• B. A major infrastructure project that requires environmental assessment due to potential impacts.
• C. An agricultural initiative with no need for EIA.
• D. A project exempt from environmental review.

Answer: (B)

Environmental Impact Assessment is used for projects that can have significant effects on the environment and communities. Large infrastructure efforts, like a transit line, can influence air quality, noise, water runoff, land use, ecosystems, and social factors, so they typically require careful study and planning to avoid or mitigate harm. The MRT-4 project is a major infrastructure undertaking with the potential for multiple environmental and social impacts, which is why it triggers the EIA process to predict effects, evaluate their significance, propose mitigation, explore alternatives, and establish monitoring. This helps ensure the project is designed and operated in ways that minimize harm and maximize benefits. So the description that best fits MRT-4’s role in the EIA context is that it is a major infrastructure project requiring environmental assessment due to potential impacts. It wouldn’t be described as minor or agricultural with no need for EIA, nor as exempt from environmental review.