HEALTH, HUNGER & HUMANITARIAN RELIEF

Doctors Without Borders provide medical assistance around the world in times of crisis.

The International Committee of the Red Cross provide emergency relief around the world.

Fome Zero is the home page of the Brazilian government's effort to end hunger in Brazil. In Portuguese.

Task Brasil is a UK-based trust fund working on behalf of street children in Brazil.

HUMAN RIGHTS

Amnesty International is a worldwide movement of people who campaign for internationally recognized human rights.

ENVIRONMENT & WILDLIFE

The World Wildlife Fund works to protect endangered species and their habitat.

The Rainforest Action Network works to protect the Earth's rainforests and support the rights of their inhabitants.

The Rainforest Site sets aside money for habitat with every click on their home page.

The Nature Conservancy.works to protect the diversity of life on Earth by "saving the last great places on Earth."