World Wildlife Fund (WWF) and Greenpeace are two famous organizations in the world. They both aim at making our planet a better place to live. World Wildlife Fund works to protect wild animals and plants. It began in Switzerland on September 11, 1961. Now, it has offices in 100 countries and nearly 5 million members all over the world. The members are from different groups, including government officials, businessmen, scientists and farmers. They have played an active role in saving animals and rainforests. One recent WWF project is protecting the Amazon rainforest. WWF has done plenty of research to find creative ways that meet the need of both people and nature. Greenpeace was set up in 1971, with an idea of working for world peace at the very beginning. Now it is active in protecting oceans, forests, and animals as well. It also calls for the use of clean energy, like wind power and solar power. Greenpeace has offices in 45 countries such as America and Canada. Its head office is in Netherlands. Greenpeace has about 3 million members at present. Small steps lead to big changes. It has encouraged more and more people to take action. According to the passage, both WWF and Greenpeace  _  .
protect animals do plenty of research work for world peace use more clean energy