06-08-2009 - Michael Meacher MP addresses a climate change rally who are supporting Vestas workers. Outside the Department of Energy and Climate Change. Whitehall, London. © Justin Tallis

22-07-2009 - Liberal Democrat spokesman for Climate Change and Energy Simon Hughes addresses a climate change rally who are supporting Vestas workers. Outside the Department of Energy and Climate Change. Whitehall... © Justin Tallis

22-07-2009 - Climate change campaigners hold a rally outside the Department of Energy and Climate Change in support of Vestas workers occupying their workplace. Whitehall, London. © Justin Tallis

22-07-2009 - Climate change campaigners hold a banner outside the Department of Energy and Climate Change at a rally in support of occupying Vestas workers. Whitehall, London. © Justin Tallis

22-07-2008 - Union members, truck drivers, environmentalists and residents of West Oakland demonstrate against air pollution from trucks in the Port of Oakland, and call on the port to give drivers secure jobs and... © David Bacon

22-07-2008 - Union members, truck drivers, environmentalists and residents of West Oakland demonstrate against air pollution from trucks in the Port of Oakland, and call on the port to give drivers secure jobs and... © David Bacon

15-03-2008 - Anti-war rally in Glasgow. © Gerry McCann

04-11-2006 - Carl Dalemo, bass player with band Razorlight behind stage at a concert by 'i count'. i count is a coalition of charities and protest groups against climate change. At Trafalgar Square in central Lond... © Rogan Macdonald

04-11-2006 - Singer KT Tunstall talks to the media during a i count' concert. i count is a coalition of charities and protest groups against climate change. At Trafalgar Square in central London. © Rogan Macdonald

04-11-2006 - Singer KT Tunstall talks to the media during a i count' concert. i count is a coalition of charities and protest groups against climate change. At Trafalgar Square in central London. © Rogan Macdonald

04-11-2006 - Carl Dalemo, bass player with band Razorlight behind stage at a concert by 'i count'. i count is a coalition of charities and protest groups against climate change. At Trafalgar Square in central Lond... © Rogan Macdonald

04-11-2006 - Andy Burrows Razorlight drummer backstage at i count concert. i count is a coalition of charities and protest groups against climate change. At Trafalgar Square in central London. © Rogan Macdonald

04-11-2006 - Andy Burrows and Johnny Borrel of band Razorlight backstage at i count concert. i count is a coalition of charities and protest groups against climate change. At Trafalgar Square in central London. © Rogan Macdonald

13-10-2003 - Protesters carrying Friends of the Earth banners march down Shaftesbury Avenue during a march against GM food production. London, October 13th 2003 © Geoff Crawford

13-10-2003 - Protester dressed as a corn-on-the cob marches against GM food production in London. placard reads, Hands Off Our Genes. October 13th 2003 © Geoff Crawford

13-10-2003 - An elderly protester marches against GM food production in London. October 13th 2003 © Geoff Crawford

13-10-2003 - Protesters march against GM food production in London. placard reads - What part of NO GM did you not understand? October 13th 2003 © Geoff Crawford

13-10-2003 - Drummers play outside the Headquarters of DEFRA in Smith square during a protest march against GM food production in London. Red placard reads - Fork Off Our Food. October 13th 2003 © Geoff Crawford

29-09-1997 - Youth protesting against polluted air levels during Friends of the Earth rally in Trafalgar Square © Stefano Cagnoni

29-09-1997 - Protestor makes his point at Friends of the Earth rally in Trafalgar Square © Stefano Cagnoni