Mr. Bookbinder began practicing law at Paul, Weiss, Rifkind, Wharton & Garrison, where for many years he handled securities, mergers and acquisitions, product liability, white-collar criminal, intellectual property and other matters.

In the public interest sphere, Mr. Bookbinder has litigated cases under all of the major environmental statutes including, as Sierra Club’s Chief Climate Counsel, managing the Massachusetts v. EPA case. He then represented environmental groups in both stationary- and mobile-source carbon matters, including the thicket of litigation over California’s greenhouse gas vehicle standards.

Dealing with Congress and federal agencies, Mr. Bookbinder helped lead efforts on both global warming legislation and Clean Air Act greenhouse gas regulation, and has testified in front of House and Senate committees on these issues (and he may be the only person ever invited by both Barbara Boxer and James Inhofe). He has also advised states as to their greenhouse gas regulatory authority.

In pursuing his goal of practical, cost-effective carbon solutions Mr. Bookbinder has frequently told environmental groups, members of Congress, and federal and state agencies things they did not want to hear.

Before forming Element VI, he represented clients (ranging from environmental groups to the natural gas industry) in a variety of regulatory and litigation matters.