Part 2: Sustainable Cities – How the UK is Reimagining Urban Living and What Pakistan Can Learn

Stepping out of King’s Cross station in London today is a very different experience from a decade ago. What was once a run-down area of abandoned warehouses and polluted canals has been transformed into a bustling urban district with energy-efficient office buildings, green public spaces, cycle lanes, and community hubs. This transformation is not unique to King’s Cross — across the UK, city planners are rethinking how urban environments can balance economic growth with sustainability, health, and quality of life.

As Pakistan’s cities expand rapidly — Karachi already has over 20 million residents and Lahore’s population is expected to hit 16 million by 2030 — the question becomes urgent: what can Pakistan learn from the UK’s journey toward sustainable cities?

The UK’s Urban Sustainability Toolkit

Integrated Public Transport Systems
In cities like London, Manchester, and Birmingham, public transport is prioritised. London’s Oyster and contactless system integrates buses, trains, and the Underground into one seamless network. Cycling superhighways and electric buses are becoming increasingly common.

Lesson for Pakistan: Karachi’s Green Line BRT and Lahore’s Metrobus are steps forward but remain isolated projects. True transformation requires integrated systems — buses, trains, rickshaws, and walking routes working together under a unified transport authority.

Green Spaces as Urban Lungs
The UK places great emphasis on green spaces. London’s Hyde Park, Birmingham’s Sutton Park, and even small neighbourhood gardens act as “urban lungs,” improving air quality and offering recreational areas. Research by Public Health England shows green spaces reduce stress and encourage active lifestyles.

Lesson for Pakistan: Urban green space per capita in Lahore and Karachi is far below WHO recommendations. Parks are often encroached upon or poorly maintained. Reclaiming and protecting public green areas must be central to city planning.

Cycling Culture
Cities like Cambridge and Oxford are cycling capitals, while London has invested in cycle highways and rental bikes. Safety measures — dedicated lanes, traffic lights, and awareness campaigns — have been key.

Lesson for Pakistan: Despite being suitable for cycling due to relatively flat terrain in many cities, Pakistan lacks safe infrastructure. Promoting cycling could ease congestion, reduce pollution, and improve health.

Waste Management Innovations
The UK has invested heavily in recycling, with local councils providing separate bins for food, plastics, glass, and paper. Cities like Bristol and Edinburgh run zero-waste initiatives supported by both government and communities.

Lesson for Pakistan: Karachi generates over 12,000 tonnes of waste daily, much of which ends up in drains and rivers. Formalising waste segregation, recycling, and composting could reduce pollution while creating green jobs.

Smart City Technologies
UK cities are experimenting with smart technologies — from smart street lighting that reduces energy use, to apps tracking air quality and traffic. Manchester’s “CityVerve” project combines sensors, data, and AI to optimise city services.

Lesson for Pakistan: While Lahore has introduced Safe City surveillance cameras, broader smart technologies like traffic sensors, pollution monitoring, and citizen apps could make services more efficient and responsive.

Sustainable Housing
The UK enforces building codes that require energy efficiency, insulation, and in some cases, renewable integration like rooftop solar. Social housing projects increasingly integrate green design.

Lesson for Pakistan: Informal settlements (katchi abadis) house millions in unsafe, poorly ventilated structures. Affordable, sustainable housing policies — such as solar-powered, low-cost designs — could improve both living standards and climate resilience.

Pakistan’s Urban Reality

Pakistan’s urban centres are expanding at a pace unmatched by infrastructure. The consequences are evident:

Karachi ranks among the world’s most polluted cities, with PM2.5 levels often exceeding safe limits by 10-15 times.

Lahore suffers from annual smog crises, shutting down schools and airports.

Public transport is fragmented, with private cars and motorcycles clogging roads.

Informal settlements proliferate, with limited access to water, sanitation, and electricity.

Waste disposal remains unregulated, with open dumping and burning common.

The result is a cycle of urban stress: pollution fuels health crises, congestion reduces productivity, and weak planning undermines resilience to floods and heatwaves.

What Pakistan Can Adopt

National Urban Strategy
The UK’s success comes from consistent planning frameworks, such as the National Planning Policy Framework, that guide cities toward sustainability. Pakistan needs a comprehensive national urban policy linking housing, transport, health, and climate.

Empowered Local Governments
UK councils have autonomy to design waste systems, parks, and transport initiatives. In Pakistan, local governments are weak and underfunded, making sustainable planning impossible. Devolution and proper financing are essential.

Pollution as a Public Health Issue
The UK treats air pollution as a health crisis, investing in clean buses, congestion charges (London’s Ultra Low Emission Zone), and awareness campaigns. Pakistan must link smog to health outcomes — from respiratory illness to reduced life expectancy — to build public and political will.

Pilot Sustainable Districts
Just as King’s Cross became a model for urban regeneration, Pakistan could start with pilot projects: a green neighbourhood in Lahore or a smart, low-carbon district in Karachi. Visible successes can inspire replication.

Youth Engagement
In the UK, youth-led cycling campaigns, urban gardening, and waste initiatives have driven cultural change. In Pakistan, mobilising students and young professionals could shift urban culture toward sustainability.

A Shared Challenge, Different Timelines

The UK’s urban sustainability journey is ongoing and contested. Debates rage about congestion charges, housing costs, and whether “green gentrification” prices out the poor. Yet the momentum is undeniable: cities are moving toward cleaner, healthier, more resilient models.

Pakistan stands at a crossroads. Without intervention, its urbanisation risks worsening pollution, inequality, and climate vulnerability. But with smart policies, community involvement, and lessons from places like the UK, Pakistani cities can become drivers of progress rather than symbols of dysfunction.

As I walk through London’s cycle lanes or sit in Birmingham’s revitalised public squares, I can’t help but imagine similar spaces in Karachi, Lahore, and Islamabad — where clean air, accessible transport, and public spaces are not luxuries, but basic rights.