‘Nonsense!’ was my first and resounding response to this hypothetical question. Given the scale of the climate change challenge, $10 million is nothing. What could one do with such a ridiculous amount?

But a seed of interest was planted in my mind and step by step, walking on the streets and parks behind a stroller with my two and a half-year-old son, thoughts emerged in my mind and moved, one by one, to an imaginary waste bin.