My climate change conversion.

I am on a plane flying from Bangkok to London, and despite my personal carbon emissions, want to announce my full conversion to the climate change cause. Let me explain how this came about. I was commissioned by Oxfam to visit rural central Vietnam to photograph around Quan Tri province, an area very prone to flooding. The flooding has got worse in the last decade, after the serious cyclone of 1999, and the situation continues to deteriorate.

My brief was to photograph poor farmers who are losing their traditional rice harvests to the floods and to show the mezzanines...