Of this, 15 to 20 per cent is already severely degraded.

Especially when analyzing large volumes of data, performance is severely degraded.

That capability had been severely degraded but not completely destroyed.

However, much of the forest around Batouri is severely degraded.

Schools, roads, hospitals and commerce in general was severely degraded.

This action severely degrades the soil and creates a poor condition for growing plants.

We have too many people for the land to support and the land is severely degraded.

Valleys are severely degraded due to humans living there.

The construction of retaining walls, or lawns, can severely degrade the life in a pond.

Unfortunately uncontrolled vehicle and pedestrian access has severely degraded some areas.