Letter of the Day: Carbon tax can help change behaviour

It is interesting to think about how difficult it was decades ago to get people to use seat belts. First, we were presented with research findings and statistics. Did this appeal to our reason result in us doing up our seat belts? Not really. A vast majority ignored it. Then we heard testimonials from people whose lives had been saved by a seat belt. Did that convince us? No. Finally, we were told that we would be fined if we were caught not using a seat belt and we know the result … now