Notting Hill Carnival and climate costs: how UK culture adapts to summer’s extremes

London’s streets will erupt this weekend in a riot of feathers, sequins and basslines as the Notting Hill Carnival returns for its 57th year. More than a million revellers are expected to descend on west London, where sound systems will pump out soca, reggae and grime until the early hours. Yet behind the carnival’s defiant joy lies a quieter reckoning: how to celebrate when the very act of gathering—under record temperatures, on paved streets, amid air thick with exhaust—now carries an environmental cost.

The tension between cultural tradition and climate responsibility has rarely been more visible. This year’s carnival arrives as new research confirms what urban planners have long suspected: the UK’s rush to pave over front gardens is making cities hotter, with night-time temperatures in some areas rising by as much as 1°C. The Royal Horticultural Society estimates that 55% of front gardens are now paved, up from just 7.5% in 2005. These hard surfaces absorb heat during the day and release it slowly at night, creating what scientists call the "urban heat island effect." In London, where the carnival’s parade routes snake through some of the most densely paved neighbourhoods, the effect is particularly acute.

The irony is not lost on organisers. "Carnival has always been about reclaiming space—taking back the streets from those who would keep us out," said one long-time sound system operator, who asked not to be named. "But now we’re fighting a different kind of exclusion: the heat, the pollution, the way the city itself seems to be working against us." Last year, emergency services reported a 20% increase in heat-related incidents during the festival, prompting calls for better cooling stations and shaded areas. This year, organisers have partnered with the Greater London Authority to install misting stations along the route and distribute reusable water bottles.

Yet the challenges extend beyond the carnival’s two-day span. In Hebron, New York, a quiet farming town 250 miles north of Manhattan, residents are locked in a bitter dispute over paraquat, a herbicide linked to Parkinson’s disease. The chemical is banned in over 70 countries, including the UK, but remains in use across the United States. Gordon Chaplin, a 72-year-old farmer who once ran up the hills behind his farmhouse with ease, now struggles to walk without a cane. He and other residents believe paraquat exposure is to blame for a cluster of Parkinson’s cases in the area. "We’re not asking for much," Chaplin told New York Focus. "Just the same protections they have in Europe."

The contrast between the UK’s precautionary approach and the US’s regulatory lag highlights a broader divide in how nations balance agricultural productivity against public health. In Britain, paraquat was banned in 2007 after a series of high-profile poisonings and mounting evidence of its neurotoxicity. Yet the debate persists in other forms: earlier this year, the UK government faced criticism for delaying a ban on neonicotinoids, another class of pesticides linked to bee declines. The delay, justified on grounds of "food security," underscored the difficulty of reconciling environmental protections with economic pressures.

Back in London, the carnival’s photographers have spent 15 years documenting the festival’s evolution. Wayne Campbell and Wayne Crichlow, whose images of samba queens and tube singalongs accompany this article, capture more than just the spectacle. Their work reveals the carnival’s dual role: as both a celebration of Caribbean culture and a living archive of how communities adapt—or resist—change. "You see the same faces year after year," Campbell said. "But the city around them is different. Hotter, louder, more crowded. And yet they still come."

That resilience is mirrored in smaller, less visible ways. In Greenwich, Secret Cinema has secured planning permission for a permanent 1,500-seat venue, a rare bright spot in an arts sector still reeling from post-pandemic funding cuts. The project, set to open in 2027, promises to blend immersive theatre with sustainable design, using solar panels and rainwater harvesting to offset its environmental footprint. It’s a modest step, but one that reflects a growing awareness among cultural institutions: the need to future-proof not just their programming, but their physical spaces.

The question hanging over all these efforts is whether they can keep pace with the accelerating demands of a warming planet. The UK’s paved gardens and the US’s paraquat debates are two sides of the same coin: a struggle to reconcile the way things have always been done with the way they must be done now. For the Notting Hill Carnival, that means accepting that even the most vibrant traditions may need to adapt. The sound systems will still play, the feathers will still fly—but the streets beneath them may need to change first.