Task: Volunteer without leaving your home.
Effort level: Depends
Investment: Time, a little effort
Can you commit some time and skills, freely, for the benefit of society? Do you have access to email and the internet? Would you rather stay in the comfort of your own home? Here is a solution : UN Online Volunteers . Search by specifying tasks, topics and/or regions and apply to organisations (community-based grassroots organization, national or international NGO, local government or United Nations agency). Once selected, complete task.