At the cost of overdraft resources and damage ecology to develop economy for a long time, natural resource is drying up and ecology environment has become the stiff factor to restrain sustainable development in northeast old industrial base.

• 由于经济建设长期以透支资源和破坏生态为代价,东北老工业基地自然资源正逐步走向枯竭,生态环境成为制约其可持续发展的刚性因子。