Christians should emphatically be campaigning for justice for the poor - but the Church is not a campaign.

My visit this autumn is an opportunity to continue that rich tradition of visits between Canterbury and Rome.

A healthy human environment is one in which we try to make sense of our limits, of the accidents that can always befall us and the passage of time which inexorably changes us.

St Paul, in his second letter to Corinth, spells this out further in the important eighth and ninth chapters, where he urges some of the Christian communities to be generous to others so that they may also have the chance to be generous in return.

Christians should emphatically be campaigning for justice for the poor - but the Church is not a campaign.

How do we live in a way that shows an understanding that we genuinely live in a shared world, not one that simply belongs to us?

Violence is not to be undertaken by private persons. If a state or administration acts without due and visible attention to agreed international process, it acts in a way analogous to a private person. It purports to be judge of its own interest.