An education advertisement released by the Federal Government claims every school in Australia will be affected by cuts planned by Opposition Leader Tony Abbott.

Finance Minister Penny Wong claims there is a $2.4 billion hole in the Coalition's costing of its plan to shed 12,000 public service jobs.

An advertisement by the National Tertiary Education Union claims there are almost twice as many university students per teacher now than there were a generation ago.

Opposition Climate spokesman Greg Hunt claims CSIRO research shows carbon emissions can be reduced by 20 per cent over 40 years using nature, soils and trees.

Federal MP and businessman Clive Palmer claims Australia's senior citizens are paid less than newly arrived asylum seekers.