More federal funding is needed to help prevent wildfires in America, officials were told - with experts warning current policies have left forests "explosive".
It comes after dozens of blazes tore through western US states, torching 1.7 million acres (685,000 hectares) of land.
Fire experts addressed a meeting of the US Senate's energy committee in Seattle, Washington, which in recent weeks has seen the largest cluster of deadly fires on record.
Western Washington University's chairman of environmental studies, Michael Medler, told the meeting that increasing use of controlled burns and creating greater barriers between developments and forests were key to cutting the risk of it happening again in future.
Thousands of firefighters are still battling more than 60 large fires.
Thirteen have been killed on duty so far this year.