Scientists say that of the world's plants are in of dying out – of becoming extinct. Dr Paul Smith said one in five of the world's plants is in danger. Botanic gardens contain about 100,000 , including a of all the world's endangered plants. Botanic gardens help to protect many endangered and plants. Dr Smith said: "This is the time that we have [looked] at the wide of plants grown, managed and conserved in botanic . For the first time we know what we have and, more , what is missing from botanic gardens."
Researcher Dr Samuel Brockington said botanic gardens were the hope for saving the world's endangered plants. He said: "One-fifth of plant diversity is under , yet there is no technical why any plant species should become ." If we do not protect plants, could have trouble food in the future. Dr Brockington said: "If we do not conserve our plant diversity, humanity will struggle to solve the challenges of food……and climate change." Plants are in danger of humans cutting down and climate change.
