The first half of 2025 was the costliest on record for major disasters in the US, driven by huge wildfires in Los Angeles and storms that battered much of the rest of the country, according to a climate non-profit that has resurrected work axed by Donald Trump's administration that tracked the biggest disasters. In the first six months of this year, 14 separate weather-related disasters that each caused at least $1bn in damage hit the US, the Climate Central group has calculated.