Pay attention to and share on social media: Pay attention to those individuals or organizations who speak for justice, environmental protection and charity, share their contents and help publicize their careers and goals.

Online volunteer service: Many organizations provide opportunities for online volunteer service, which can help people in need, such as online consultation, telephone consultation and technical support.

Sign a petition online: sign a petition online about change and justice, and invite your friends and family to participate.

Online charity sale: sell or donate unwanted items to charitable organizations or people in need, and donate the proceeds to charity.

Network collage or avatar box on social media: Use collage or avatar box on social media to express support for a charity and let more people know and participate.

Online volunteer translation: If you are proficient in many languages, you can participate in online volunteer translation and translate useful information and resources into other languages, so that more people can benefit.

Online publicity and education: By publishing information and knowledge about environmental protection, social justice and charity on social media, it helps to raise public awareness and understanding and promote change and justice.

In short, you can do good things online in various ways, which do not involve money, but they can help you make positive contributions to society.