Writer and designer Graham Hill asks: Can having less stuff, in less room, lead to more happiness? He makes the case for taking up less space, and lays out three rules for editing your life in order to live more sustainably

Protecting the climate is the defining challenge of our time. Every era has its opportunity to improve the world. This is ours. The amount of responsibility we take when shifting our own behavior will shape our future, the economy, and the sort of a world we will leave to our grandchildren. It will determine whether many species, perhaps even our own, will live or die.
— Hunter Lovins