What's important is the long-term sustainability of these areas.

Adding a substantial effect on a project's long-term sustainability is the implementation.

Issues such as water rights, agricultural chemicals, and long-term environmental sustainability are often discussed in this council.

In 2008 the school was closed due to concerns over its long-term financial sustainability.

Since 2006, Sam has led efforts to ensure the long-term sustainability of our nation's fisheries.

The primary concern related to this approach is long-term sustainability.

Both matters raise questions regarding the justice of the flat tax system, and thus its long-term political sustainability.

Let me finish with the question of long-term sustainability.

This was critical to ensure long-term sustainability of the project.

But city officials say they are determined not to let that happen, insisting their development strategy is one of long-term sustainability for artists.