Labour's fire service spokesman on the London Assembly, Navin Shah, said the increases were "truly scandalous".
Overnight flights which disturb Londoners' sleep should be stopped or reduced, the London Assembly has said.
The London Assembly has woken up to a problem which is particularly acute in its patch.
London Assembly Green Party member Darren Johnson said the plan lacked "coherence and adequate funding".
The London Assembly report also called for a rise in toilets before the Olympics.
The party, standing in the London Assembly election on 3 May, launched its manifesto earlier.
Speakers at the rally included Darren Johnson, leader of the Green group on the Greater London Assembly.
London Assembly transport committee chairman Caroline Pidgeon has written to the Brazilian ambassador to Britain, Roberto Jaguaribe.
London Assembly Green Party Member Darren Johnson said the public were "desperately worried" about the proposed closures.
The amendment was passed by London Assembly members from the Labour, Green and Liberal Democrat parties on Friday.
The action comes as the London Assembly Conservative group called for a ban on Tube drivers going on strike.
BBC: Piccadilly Line Tube workers balloted for strike action
London Assembly member Navin Shah said his condolences were with the family whose childen attended schools in the area.
On 3 May last year, voters elected the mayor and London Assembly Members.
The London Assembly said the Met had the worst victim satisfaction rating of any police force in the country.
London Assembly asked the government to make it a "duty" for councils to ensure adequate levels of public toilets.
But Richard Barnes, deputy leader of the London Assembly Conservatives, attacked the deal.
BBC: NEWS | UK | England | London | Mayor signs Venezuelan oil deal
He has now also referred it to the Greater London Assembly's monitoring officer.
Caroline Pidgeon, Liberal Democrat chairman of the London Assembly transport committee, said Mr Johnson had failed to tackle the issue.
Earlier this year, London Assembly Members narrowly decided to hold a public consultation on future plans, without involving the closures.
BBC: London fire closure plans: Authority votes against mayor
London Assembly Labour group said the cuts were "too deep and too fast" and would affect the quality of policing.
BBC: Scotland Yard to cut senior ranks in ?500m savings plan
The cost of tickets for Olympic medal-winning sessions in athletics, track cycling and swimming have been criticised by the London Assembly.
The balloting came as a report by the London Assembly group called for binding arbitration to curb strikes on the network.
BBC: Piccadilly Line Tube workers balloted for strike action
On 3 May, voters will elect the mayor and London Assembly Members.
Jenny Jones, the Green Party's London Assembly member, said the scheme was first put to the mayor by the Assembly in 2009.
BBC: Boris Johnson announces plans for Ultra Low Emission Zone
Navin Shah, Labour's fire spokesman on the London Assembly, said the mayor's move was the first step in closing the 12 stations.
Navin Shah, Labour London Assembly Fire spokesman, called the cuts "truly reckless".
Up to 9% of deaths in the capital's most polluted areas are down to air pollution, a new London Assembly paper has reported.
The closure of 12 fire stations in London could be stopped by an amendment to the mayor's budget, the London Assembly has proposed.
The Greater London Assembly said it hoped the inquiry would be able to lay the foundations for a "fairer deal" for all workers.
London Assembly Green member Jenny Jones questioned whether it was right for police to accept such donations and called for the Met to "rethink" the policy.
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