Human activities like fossil fuel use, deforestation, and unsustainable agriculture contribute to climate change, harming access to food and clean water and destroying ecosystems. This impacts health and forces migration, especially threatening youth. However, youth make up most of the population in many countries and have strong environmental awareness, which can transform societies to be more sustainable. The United Nations works closely with youth organizations worldwide through initiatives to empower youth to address climate change and participate in climate policy decisions.