My dad was working abroad in Iraq and he was a doctor. We used to go and visit him in Baghdad off and on. For the first ten years of my life we used to go backwards and forwards to Baghdad so that was quite amazing. I spent a lot of time traveling around the Middle East.
The main environmental challenge of the 21st century is poverty. When you don't know where your next meal is coming from it's hard to consider the environment 100 years down the line.