But what is justice? Is it right to go on harping on the injustices of the past such as colonialism in order to deliver justice? For example, does “justice” demand that developing countries should be allowed to pollute the atmosphere to the same degree that the industrialised world did before they agree to move on climate change? Can “retribution” be regarded as a form of justice? Are any means legitimate in pursuit of a perceived “just” goal? These were some of the issues Prof Sen dealt with as he argued for a new way of looking at justice. A point he repeatedly emphasised was that harking back to the past in search for justice would not do. The starting point for any discussion should take into account the reality that “we’re where we are today” and then ask: where do we go from here and how?

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