 In addition to closing the Department of the Interior, his "Restore America" budget plan proposes selling off at least $40 billion worth of public lands such as national parks, and other federal assets, between 2013 and 2016.As a free-market environmentalist, Paul sees polluters as aggressors who should not be granted immunity from prosecution or otherwise insulated from accountability.Paul argues that enforcing private property rights through tort law would hold people and corporations accountable, and would increase the cost of polluting activities—thus decreasing pollution.