Jaworski ran for Senator during the 1998 national elections as an independent candidate, in which he won. Due to this, he was forced to leave the coaching chores to Ginebra assistant Rino Salazar. After a dispute with the new officials at Ginebra’s mother company, San Miguel Corporation, Jaworski quit his duties as head coach and concentrate more on his political duties.

Jaworski was part of several committees during his senatorial term was Chairman of Economic Affairs, Trade and Commerce and was also a member of the Games and Amusement and Sports Committee.

Among the 300 or so bills he has authored or co-authored, he is most proud of eventual laws that:

declared the Mt. Kitanglad Range in the province of Bukidnon a protected area;
established the Northern Sierra Madre Mountain Range in Isabela as protected area;
established the Batanes Group of Islands as protected area;
established Mt. Kanla-On as protected area; and, to the consternation of logging companies,
regulated the ownership, possession and sale of chainsaws.

Jaworski the senator also introduced legislation that protects the country’s national marine sanctuaries and filed a bill imposing strict penalties on oil pollution damage on Philippine waters.

He also co-authored the Clean Air Act, as well as Solid Waste Management Act.