Thus , cost - effective mechanisms need to be identified to communicate and stimulate more pro-environmental behaviours .
Inducing more responsible environmental behaviours is therefore one of the most critical challenges for sustainability ( Brewer and Stern , 2005 ) .
Cost - effective mechanisms need to be identified to communicate and stimulate more pro-environmental behaviours .
Inducing more responsible environmental behaviours is therefore one of the most critical challenges for sustainability ( Brewer and Stern , 2005 ) .