Which environmental problems are associated with oil production, refining, and transport?

• A. Production: ecosystem damage, water and air pollution; Refining: soil, water, and air pollution; Transport: energy use for vehicles and electricity.
• B. Production: only noise pollution; Refining: none; Transport: none
• C. Production: no pollution; Refining: none; Transport: none
• D. All stages are free from environmental concerns.

Answer: (A)

The main idea here is that oil’s environmental impact happens at every stage of its life cycle—from extraction to processing to transport—not just in one part of the process. During production, drilling and related activities can disrupt ecosystems, harm habitats, and contaminate water with drilling fluids, produced water, or accidental spills, while machinery and flaring release air pollutants. In refining, the process emits various air pollutants and generates wastewater and potential soil contamination around facilities. In transport, moving oil requires energy and fuels, contributing to greenhouse gas emissions, and there’s also risk of spills or leaks that pollute land and water.

The option that lists ecosystem damage and water/air pollution at production, soil, water, and air pollution at refining, and energy use for vehicles and electricity at transport correctly captures these broad environmental concerns across all stages. The other choices imply no pollution or ignore these issues, which isn’t accurate.