Links:

http://risingtide.org.uk/

http://www.planestupid.com/

http://www.criticalmass.com/

http://critical-mass.info/

http://climatecamp.org.uk

http://www.bicycology.org.uk/

http://earthfirst.org.uk/actionreports/

http://www.nadir.org/nadir/initiativ/agp/