In the past few years, owners of contaminated land, seeking to supplement possible causes of action under the Comprehensive Environmental, Response, Compensation, and Liability Act (CERCLA) and under state common law and state statutes, increasingly have looked to §7002(a)(1)(B) of the Resource Conservation and Recovery Act (RCRA) to shift responsibility for remediation costs to former owners or operators.

A recent headline on the front page of the Wall Street Journal hailed the opening of the nation's first "butterfly bank." The "deposits" in this unusual bank are conservation credits earned by preserving an important area of habitat for the Quino checkerspot butterfly, an endangered species restricted to California. The bank's intended customers are other landowners who hope to develop other sites where the butterfly occurs. In order to do so, they can buy credits from the private entrepreneur who established the butterfly bank.

The Resource Conservation and Recovery Act (RCRA), the Clean Water Act (CWA), and the Clean Air Act (CAA) represent federal regulatory regimes for protecting the environment. Although each statute initially places administrative responsibility in the hands of the U.S. Environmental Protection Agency (EPA), each encourages states, to varying degrees, to take primary responsibility for implementing the statutory regime.

In Environmental Federalism Part 1: The History of Overfiling Under RCRA, the CWA, and the CAA Prior to Harmon, Smithfield, and CLEAN, the history of judicial and administrative decisions relating to overfiling under the Resource Conservation and Recovery Act (RCRA), the Clean Water Act (CWA), and the Clean Air Act (CAA) was analyzed. The history showed that the U.S. Environmental Protection Agency (EPA), with limited exceptions, generally was understood to have overfiling authority under RCRA, the CWA, and the CAA. The limited exceptions focused on two situations.

One of the more daunting tasks facing environmental practitioners over the past decade or two has been the recovery of cleanup costs and related relief at sites contaminated with petroleum substances. Parties seeking relief face significant hurdles under the federal environmental statutes. The key federal environmental cost-recovery statute, the Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA) often provides little help because of its petroleum exclusion.

Conventional wisdom says that the Resource Conservation and Recovery Act (RCRA) is an impediment to the reuse of brownfields. Examination of a decade of experience, however, reveals that properties "captured by the net" of RCRA jurisdiction have gone on to new, productive, and economically viable reuse. Contrary to conventional wisdom, there is also a great potential for many more RCRA properties to do so.

Above my desk at work, I keep a button that reads "Save the Ugly Animals Too." It is a reminder that more than just the charismatic megafauna, such as wolves and bald eagles and grizzly bears and whales, are worth conserving. From the standpoint of protecting the web of life, including the ecosystems that benefit us all by providing services such as water purification, flood control, nurseries for our fish and shellfish, and opportunities for outdoor recreation, it is often as important to conserve the lesser known species, the cogs and wheels that drive those ecosystems.

In a recent essay, Katrina Wyman suggests four substantial reforms aimed at improving implementation of the Endangered Species Act (ESA) and furthering species recovery: (1) decoupling listing decisions from permanent species protection;3 (2) requiring the Fish & Wildlife Service (FWS) to implement cost-effective species protection measures;5 (3) prioritizing funding for biological hotspots;6 and (4) establishing additional protected areas.