Brazil celebrates its giant trees on Earth Day 2023

Imperial Palms form an avenue in Rio’s botanical garden and organisers are hoping, by establishing their own trail of giant trees, it will help to promote awareness of their environment.

These trees – and the animals which rely on them – are threatened and botanists are keen that everyone joins in the effort to preserve the country’s unique forests, inside and outside the Amazon.

Botanists calculating the carbon content of the garden…