Residents across the United Kingdom are experiencing severe challenges from rising temperatures, particularly in older brick and concrete housing that retains heat throughout the day and night. Mandy Bourne and her elderly mother, who live in a top-floor social housing flat in the West Midlands, are among many struggling with health complications exacerbated by prolonged heat exposure. Traditional UK homes absorb and radiate warmth inefficiently, creating an urban heat island effect that can raise nighttime temperatures in city centers by as much as 7 degrees Celsius above surrounding areas. Research suggests this effect was responsible for approximately half of heat-related deaths during a previous regional heatwave.
Housing associations and landlords are responding with temporary measures such as mobile air conditioning units in communal spaces, but these solutions highlight a broader tension in climate policy. For four decades, wealthy nations have prioritized mitigation—reducing carbon emissions—over adaptation measures like cooling infrastructure and heat-resistant building design. Funding reflects this imbalance, with mitigation receiving roughly $1.8 trillion in 2023 while adaptation secured only $65 billion globally. This gap has been challenged by figures including Bill Gates, who argues that adaptation spending can prevent immediate human suffering even as emission reduction efforts continue, though climate scientists have disputed whether this represents a false choice between the two approaches.
Baroness Julia Brown, who chairs the government’s Climate Change Committee adaptation panel, argues that UK law itself institutionalizes this imbalance. Mitigation targets carry legal force and annual accountability, while adaptation policy lacks enforceable standards. The committee recently released a report coinciding with early summer heatwaves, recommending hard targets for cooling support in vulnerable homes and hospitals, projecting such measures could prevent 40 percent of predicted heat-related deaths by 2050. Currently, only about 5 percent of English homes have air conditioning units, setting the stage for significant policy decisions about infrastructure investment priorities in coming years.
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