Prolonged heatwaves in the UK are causing noticeable subsidence in homes across London, as the city’s clay-rich soil dries and shrinks. Residents are reporting unprecedented settling and cracks in their properties, a problem exacerbated by persistent drought conditions. While concerning, London’s situation pales in comparison to the drastic land subsidence occurring in Jakarta, Indonesia. The ten-million-person city is sinking so severely that the Indonesian government has begun the process of establishing a new capital city. This highlights the global impact of climate change and its effects on infrastructure stability. The drying clay soil in London represents a growing concern for homeowners and authorities alike, signaling potential long-term structural issues. Jakarta's crisis, however, demonstrates a far more urgent and existential threat.