Whenever we look at river restoration, we also have to look at the consequences of any action that we take.

Guide Corp eventually reached a settlement whereby the company would pay a total of $14.2 million in fines, penalties, legal expenses, and river restoration.

"Working together, we can make the Passaic a showcase for urban river restoration," Ms. Kenny said.

The long-promised river restoration is a $24 million project, compensation won from a lawsuit by environmental groups over excessive groundwater pumping.

Restoration is more complicated than conservation and it has many meanings in river restoration at large.

The Thames, biologically dead half a century ago, now sports 125 fish species, and this year won the top international prize for river restoration.

Wattle hurdles are also used in hedges and river restoration.

This helps targeting of resources and allows river restoration to occur in the most needed locations.

Reversing this process is known as daylighting a stream and is a visible form of river restoration.

The entire park closed on the 9th of January for the river restoration works.