Skip to main content

Thank you for visiting You are using a browser version with limited support for CSS. To obtain the best experience, we recommend you use a more up to date browser (or turn off compatibility mode in Internet Explorer). In the meantime, to ensure continued support, we are displaying the site without styles and JavaScript.

A trillion trees

Felix Finkbeiner founded Plant-for-the-Planet as a nine year old. In the ten years since then, 15 billion trees have been planted globally as part of the initiative. Tom Crowther was inspired by this mission, and decided to help by conducting a research project to map the world’s trees, revealing that there are just over 3 trillion trees on Earth. We spoke to them both about their collaboration.

This is a preview of subscription content, access via your institution

Access options

Rent or buy this article

Prices vary by article type



Prices may be subject to local taxes which are calculated during checkout

Author information

Authors and Affiliations


Corresponding author

Correspondence to Patrick Goymer.

Rights and permissions

Reprints and Permissions

About this article

Check for updates. Verify currency and authenticity via CrossMark

Cite this article

Goymer, P. A trillion trees. Nat Ecol Evol 2, 208–209 (2018).

Download citation

  • Published:

  • Issue Date:

  • DOI:

This article is cited by


Quick links

Nature Briefing

Sign up for the Nature Briefing newsletter — what matters in science, free to your inbox daily.

Get the most important science stories of the day, free in your inbox. Sign up for Nature Briefing