Canada’s cycle couriers: in the eyes of the law, roadkill
Bill Chidley: What message does it send out that Michael Bryant faces no charges after his car crushed Darcy Allan Sheppard to death?
Cars, trains and bikes: Motor sales slumped as pedal power pushed on
Despite the car scrappage scheme, high fuel prices meant we travelled fewer miles – but bicycle sales jumped 25%
Why are female cyclists so vulnerable to lorries?
Anna Leach: Hugging the kerb can be deadly for women cycling in busy cities
Painting the town blue: Boris Johnson hails London ‘cycle superhighways’
London mayor talks of safe, direct, well-marked routes – but critics say he's just repainting existing cyle lanes
What has happened to the UK’s environment and transport policy?
Guardian head of environment introduces our environment and transport factfile - and the full dataset behind it
Unthinkable? Leaving potholes alone
Editorial: What better way of stopping cars tearing past school entrances and front doors than the prospect of holes strewn in their path?
Are cyclists too hard on train operators?
The National Cycle Rail Awards attempts to persuade us that it's not all bad at the cycling-rail interface – is this correct?
Campaign to boost cycling in Beijing
Planners hope bicycles will solve city's appalling traffic and pollution problems
Since when is a folding bike not allowed on a train?
Ben Thomas: The rules on when bikes are classed as legitimate luggage seem to be in a bit of a spin
Bike Club for children is a great idea, but does it have wheels?
Peter Walker: With so few children cycling, can the the newly launched Bike Club scheme overcome our fear-mongering culture?
Should Segways motor in on our cycle lanes?
Peter Walker: A proposal to allow electric personal vehicles on to UK roads would reduce emissions and congestion - but should we make room for them in our cycle lanes?
Snow beater: put on your knobbliest tyres and get pedalling
Travel disruptions mean cycling, with a few adjustments, may be the best bet for getting to work on time
Everybody’s talking about: travel troubles, zoo tigers and post-Copenhagen campaigns
In a week of the big freeze, environmentguardian.co.uk's interaction manager rounds up this week's hotly discussed topics
Beware the iPod zombie cyclist
Edmund King: Plugged in to MP3 players, this new breed among urban cyclists is not just a nuisance, but a menace – mainly to themselves
Bike hire revolution hits Cardiff
It may not be on the scale of similar projects in Copenhagen or Nice, but the Welsh capital's bike hire scheme has a lot going for it