From mainstreaming sustainable behaviour to considering the environment within everyday product design, the sustainable living hub has been awash with thought-provoking content aimed at challenging the role of business in positive behaviour change.
The power of big companies and brands to drive change, both introspectively and within society, is immense and crucial to nudging consumers in a greener direction. Our top five pieces reflect the opportunities and challenges businesses face in tackling unsustainable behaviour.

1. Changing behaviour at a scale that matters
Moving towards a more sustainable future requires behaviour change on a large scale. Oliver Balch offered some thoughts on how this can be achieved

2. Making sustainable living easy, normal – and fun
Oliver Balch argued that the best way to market sustainable living is not to lecture customers but to nudge them gently into changing behaviour

3. Promoting sustainable behaviour means more than clever slogans
Even the best campaigns to promote sustainable behaviour will be limited in scope if they fail to link everyday actions to the bigger picture, wrote Adam Corner

4. Nudging the nudgers: brands, persuasion and sustainable lifestyles
Lucy Shea reflected on the power of brands to change consumer behaviour, explaining why it is one of the most interesting sustainability developments for years

5. Getting consumers to care about sustainability
Changing consumer attitudes is no mean feat said Vicky Grinnell-Wright, who highlighted the brands that could work their magic on sustainability
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Let us know your favourite sustainable living content from 2012 - was there a piece that you feel has a strong message or gave you a fresh perspective? Did you find one article particularly useful professionally? We'd love to hear your thoughts in the comments below or tweet us @GuardianSustBiz.
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