Infrastructure & transport

Why Uber is bad for cities

App-based hire ride taxi services like Uber and Lyft have added millions of miles travelled – and therefore air pollution, congestion, and millions of tonnes extra greenhouse gas emissions – and pulled riders away from public transport in cities wherever they operate, new research shows.

fast rail australia

Nothing moves slower in Australia than fast rail 

Despite piles of reports, oodles of analysis and a substantial application of common sense, the federal government is proceeding at a glacial pace with plans for fast rail at scale.…

A mobile garden in Chicago, USA.

How cities are decarbonising

Now we know that an investment of $1.83 trillion a year in 16 low-carbon measures in cities – about 2 per cent of global GDP –  could reduce global urban emissions by 90 per cent by 2050.

On the need for speed and is it just a nasty habit we need to break?

We’re amazingly quick on the uptake when it comes to some kinds of innovation – air travel for example, which has only been a thing for just under a century. But the cost of close to 100 years of flying has been a whole new source of pollution and carbon emissions.

Peak car – what is it, and so what?

The “peak car” phenomenon has captured the attention of many but what is it really? This is a deep dive into mobility trends of today and where this might steer us into the future.

Observations on Japanese city making

You might think that a city like Tokyo, with a metro population of 14 million, has very little in common with a city like Sydney or Melbourne.

The post-election infrastructure review

The NSW and federal 2019 elections saw the return of Coalition governments. My perspective – from western Sydney – is: Coalition infrastructure policies have been dreadful, Labor’s offerings weren’t any better.