1.   A variation of this practice, called mitigation banking, is now being studied by New York, Connecticut and New Jersey.

2.   Known as mitigation banking, the concept is spreading in several states, and a bill to expand it nationwide is gaining momentum in Congress.

3.   Pataki said he was willing to consider mitigation banking in New York State on a case-by-case basis.

4.   The two departments have already drafted an agreement to allow mitigation banking when highway projects have an impact on wetlands, she said.

5.   There, he pioneered a concept known as mitigation banking, which allows companies to earn permits for building on protected wetlands by first expanding existing wetlands.

6.   Under mitigation banking, a farmer could buy credits from a banker who would restore or create a large wetland nearby.