All articles by ttt

Global warming had started as early as the 1830s, new research shows

You don’t have to build up or move out to tackle urban density

Instead of looking up or out, we need a combined approach to address urban density.

A history of Tokyo: What can the world's largest city teach us about building sustainable megacities?

Edo, which gave rise to Tokyo, was also the world’s largest city three centuries ago. Facing ecological collapse, Edo developed a culture and practices that supported sustainable living.

Australia's cities are famous for their parks. But how can they value their "green infrastructure"?

Who decides what a “liveable city” means – and how can Australia achieve it?