All articles by ttt
To save the planet, we need to cut methane emissions from agriculture, too
Methane concentrations in the atmosphere are growing faster than any time in the past 20 years. The increase is largely…
How can the world provide informal settlements and slums with sanitation and clean water?
Polluted water and inadequate water supply, sanitation and hygiene cause around 80 per cent of diseases and one in four…
What makes an urban space feel safe for women? Australian researchers have been finding out
When authorities decide that an area of the city is “not safe”, the usual response is more lighting, CCTV cameras,…
The recent Australian summer shows that climate change is well underway
Australia’s summer is officially over, and it’s certainly been a weird one. The centre and east of the continent have…
Could Havana avoid the traffic congestion that plagues most middle income cities?
The classic 1950s cars on the streets of Havana are much admired by foreigners, yet the reality for most Cubans…
Building the BRICs: How can developing countries plan the cities of the future?
The UN estimates that more than 6bn people will live in cities by the year 2045 – compared with fewer…
Can night mayors make cities' dreams come true?
Sadiq Khan, the mayor of London, recently announced the identity of the city’s first ever “night czar”. Amy Lamé, a…
If Australia wants to stay cool, it should stop land clearances and plant some trees
Land clearance is on the rise in Australian states like Queensland and New South Wales, with land clearing laws being fiercely debated.…
Is removing all traces of oil and gas production from the North Sea really best for the environment?
In Europe, the majority of oil and gas production (OGP) comes from mature offshore facilities that are approaching the end…
Here's how Australia's cities have grown over the last 30 years
Since settlement, Australian cities have been shaped and reshaped by history, infrastructure, natural landscapes and – importantly – policy. So,…