The objective of the Billion Tree Campaign is to encourage people, communities, organizations, business and industry, civil society and governments to collectively plant at least one billion trees worldwide each year.

The idea for the Plant for the Planet: Billion Tree Campaign was inspired by Professor Wangari Maathai, Nobel Peace Prize laureate for 2004 and founder of Kenya’s Green Belt Movement, which has planted more than 30 million trees in 12 African countries since 1977.

The Billion Tree Campaign was launched by the UN Environment Programme and its partners on 8 November 2006 in Nairobi and handed over to the Plant-for-the-Planet Foundation on 7 December 2011 in Durban, South Africa.

During the first five years of the campaign, 12,585,293,312 trees were planted and registered on the Billion Tree Campaign website.

The campaign strongly encourages the planting of indigenous trees and trees that are appropriate to the local environment. Advice on tree planting is available via the website, as well as information about reforestation and other tree-related issues, including links to appropriate partner organizations best equipped to give locally tailored advice, such as the World Agroforestry Centre.