# Sydney Records Hottest June Since 1859, Expert Calls It ‘Signature’ of Global Warming

Sydney experienced its hottest June since records began in 1859, according to official data. An expert warned that this unprecedented heat is a clear "signature" of human-caused global warming. The milestone underscores the accelerating impacts of climate change on major cities and the urgency of emissions reduction.

**Importance:** 4/5

## Sources

### World
- [The Guardian World](https://www.theguardian.com/australia-news/2026/jul/04/sydney-records-hottest-june-since-1859-as-expert-warns-new-high-a-signature-of-global-warming) — Sat, 04 Jul 2026 04:37:24 GMT