"This Changes Everything" is a documentary film directed by Ava DuVernay that explores the impact of climate change on society and the economy. It emphasizes the urgent need for systemic change to address environmental issues, highlighting the interconnectedness of social justice and ecological sustainability. The film argues that the current economic system prioritizes profit over the planet, leading to devastating consequences. The documentary features interviews with activists, scientists, and community leaders who advocate for a more equitable approach to environmental policy. It calls for collective action and reimagining our relationship with nature, urging viewers to consider how they can contribute to a more sustainable future.