However, the proposal was met with many economic and environmental obstacles, making the task all but impossible for much of the route.

In addition to political and financial difficulties, the project faced several environmental and engineering obstacles.

The construction of the mall faced a number of environmental obstacles before it began.

None of these proposals have as yet been implemented, mainly due to environmental and financial obstacles.

The game boasts 15 fully 3D levels with different environmental obstacles to cross.

Even if Mayor Daley's plan prevails, it faces financial and environmental obstacles.

The environmental obstacles will be challenging as well.

Problem Solver: Helps resolve personal and environmental obstacles to recovery.

I want them to experience these environmental obstacles so they can know how difficult it is to traverse through a hospital.

However, financial and environmental obstacles prevented any southern extension of Route 90.