Green Party leader Natalie Bennett today threatened to bring about a ‘ peaceful political revolution ’ as she pledged to unite with the Scottish and Welsh nationalists to block government spending cuts . Miss Bennett said the election could be ‘ a turning point in history ’ after it was revealed the party has held talks with the SNP and Plaid Cymru about forming a left-wing ‘ progressive alliance ’ in Parliament . At the start of the party ’ s biggest ever conference yesterday , Miss Bennett pledged to introduce free social care for all over-65s and said the country ‘ needs a range of new taxes ’ . Scroll down for video . Green Party leader Natalie Bennett threatened to bring about a ‘ peaceful political revolution ’ in UK politics . As she arrived for the speech in Liverpool , Miss Bennett had been ambushed by journalists and asked : ‘ Have you got your brain in gear today ? ’ The party has experienced a so-called ‘ Green surge ’ with record support and a quadrupling of membership in a year , but Australian-born Miss Bennett has faced sniping from within her own party . After an excruciating radio interview last month , which saw her lapse into long silences , have coughing fits and complain of a ‘ huge cold ’ , she apologised to members for her performance . MP for Brighton Pavillion , Caroline Lucas embraced the party leader Natalie Bennett on stage at the Green Party Spring Conference in Liverpool this afternoon . Green Party delegates listen and applaud as Green Party leader Natalie Bennett delivers her keynote speech . A CND ( Campaign for Nuclear Disarmament ) activist wears a woolly hat its campaign logo while attending the opening day of the Green party 's pre-election conference . Leaflets in support of the Green Party 's only MP , Caroline Lucas , sit on a table on the opening day of the party 's conference . This afternoon , Miss Bennett told members in ‘ in just nine weeks ’ time , you will have in your hands something miraculous … the possibility of a peaceful political revolution . ‘ Your vote can change the face of Britain . It can end the failed austerity experiment , end the spiteful blaming of the poor , the sick , the vulnerable for the mistakes of the wealthy . ‘ This election can be a turning point in history. ’ Miss Bennett announced that free social care for over-65s would be a pledge in the party ’ s manifesto , due to be released at the end of the month , because she said it was vital in a ‘ decent , humane ’ society . She did not explain how this would be funded , but said ‘ those who have the most ’ should contribute and said the party would introduce a new wealth tax , a financial transaction tax and higher income tax for those earning more than £100,000 . Caroline Lucas , the party ’ s former leader and only MP , said there had been talks with the SNP and Plaid Cymru about acting as a left-wing bloc of MPs at Westminster in the event of a Labour government . ‘ With the rise of the SNP , and with our own Green surge , we have the chance to forge a new grouping in Parliament . A progressive alliance , ’ she said . She added that the parties were united in their ‘ opposition to austerity and cuts to essential services ’ and would work to block the Labour party ‘ when they ape the Tories ’ . Parliamentary Candidate for St Helens and Whiston , James Chan ( left ) , was in the hall alongside hundreds of Green Party activists this afternoon . Green Party candidate for Liverpool Riverside , Martin Dobson on stage at the party 's Spring Conference . Caroline Lucas , the party ’ s former leader and only MP , said there had been talks with the SNP and Plaid Cymru about acting as a left-wing bloc of MPs at Westminster in the event of a Labour government . Over 1,300 Green Party members are expected to attend the three-day conference this weekend . They will debate matters including a motion ‘ to remove our policy to ban all cars ’ . A poll conducted by ComRes for ITV News yesterday revealed that the party is most likely to be associated by the British public as ‘ idealistic ’ ( 41 per cent ) and ‘ amateurish ’ ( 35 per cent ) . But it also found voters are more likely to associate the Greens with the phrases ‘ A party of the future ’ ( 21 per cent ) or ‘ appealing ’ ( 18 per cent ) than they would associate with the Liberal Democrats ( 9 per cent and 11 per cent respectively ) .
Miss Bennett said the general election could be ' a turning point in history ' Party has held talks with SNP about forming left-wing 'progressive alliance ' The Green Party pledged to introduce free social care for all over-65s . Labour leader Ed Miliband is expected to announce plans today on how he will tackle rising child poverty and cut tax breaks for millionaires at an event in London.