Tusk also fired Environment Minister Marcin Korolec, who is currently presiding over U.N. talks on preventing global warming that are entering their decisive stage in Warsaw. Korolec is keeping his role at the U.N. meeting and as Poland's official for global climate talks, Tusk said.
The ministry's foot-dragging on much-awaited regulations concerning exploration for shale gas and other fossil fuels seems to be behind Korolec's dismissal. The government is placing great hopes on Poland's shale gas deposits for energy security, but it still needs to approve legislation favorable for the industry.
Maciej Grabowski, formerly at the Finance Ministry, is the new head of the environment.
Other ministries with new leaders are sports, education, science and administration. The transport and regional development sectors were merged into one ministry, led by Elzbieta Bienkowska, who until now was regional development minister. Bienkowska was also raised to the rank of deputy prime minister.
Bienkowska said her aim will be to make Poland a modern and competitive EU nation by 2020.
President Bronislaw Komorowski is expected to give his approval, which is required before the new ministers can be sworn in.
Tusk, who took office in 2007, said the long-expected changes guarantee an infusion of new energy for the government. Tusk is halfway through his second term, but the Cabinet's image has suffered from an unexpected budget deficit gap that led to spending cuts, a reform that raised the retirement age and from allegations that local Civic Platform leaders were offering jobs in return for support.
Tusk has previously carried out minor government reshuffles. Parliamentary elections are to be held in 2015.