Care2 is an online platform that connects individuals who want to make a positive impact on the world. It allows users to create and sign petitions, engage in social activism, and support various causes, ranging from environmental issues to human rights. The platform aims to empower people to take action and advocate for change. In addition to petitions, Care2 offers a community where users can share articles, tips, and resources related to social justice and sustainability. The site also features a rewards program, allowing users to earn points for their activities, which can be donated to charitable organizations or used for other benefits.