350.org is a global grassroots movement focused on addressing climate change. Founded in 2008, it aims to reduce the concentration of carbon dioxide in the atmosphere to a safe level of 350 parts per million. The organization mobilizes people around the world to advocate for sustainable energy solutions and to hold governments and corporations accountable for their environmental impact. Through campaigns, events, and educational initiatives, 350.org encourages individuals and communities to take action against climate change. They promote renewable energy sources, such as solar and wind power, and work to phase out fossil fuels. By raising awareness and fostering collaboration, 350.org strives to create a healthier planet for future generations.