00:00London's heat waves could cost the capital more than £25 billion over the next decade if such
00:06summers become standard, the Mayor has warned. City Hall estimates extreme heat caused £2.5
00:12billion in lost productivity during the 2026 heat waves. Sadiq Khan is urging world leaders
00:19at COP31 in Antalya to invest in protecting cities from rising temperatures. His heat-ready
00:26London plan, drawn up with London councils, includes tackling overheating in homes and
00:32public buildings, protecting outdoor workers and creating more shade. But the cost of measures
00:38such as retrofitting homes remains a challenge with no clear agreement on who will pay.
