Former emergency chiefs from around Australia have warned that climate change is causing more dangerous natural disasters, putting lives at risk.

The group sent letters to both Scott Morrison and State and Territory governments containing demands about emergency service resourcing and action on climate change.

Former New South Wales Fire and Rescue Commissioner Greg Mullins said the group is “deeply concerned” about the lack of national climate change action and that the rise of greenhouse gas is “worsening extreme weather” and endangering lives.