May not have been the most sensitive way of going about things.
But he's absolutely right. The biggest risk to our country of climate change is war. It's not rising sea levels, we're not the Maldives. It's not desertification, we're not short of rain. The risk is some poxy country far away that needs water and attacks some other country, and we get drawn in.
Think it's far fetched? Look at ww1. Watch the video above. Read the MoD report.