Phnom Penh (FN), Sep. 29 – Cambodian prime minister Hun Sen said that the world is full of complexities and chaos such as climate change, oil and gas crisis and many other issues, speaking at the 6th National Interfaith Forum Against Human Trafficking on Thursday morning (Sep 29).

The European countries vowed to stop using coal in energy sector. However, they failed to complete their promise due to massive sanctions related to Russia-Ukraine war, the premier said.