From Florida Trend comes a summary of a national report.
The report makes it clear that impediments have placed on restoration efforts.
Quoting from the report:
Timely authorization, adequate funding levels, and creative policy and implementation strategies are needed to achieve restoration benefits and to expedite implementation of the Central Everglades Planning Project. Climate change and the invasion of nonnative plant and animal species further challenge the Everglades system. The impacts of climate change — especially sea-level rise — provide a stimulus to accelerate restoration efforts, the report adds.
Read the full report at http://national-academies.org.