BBC: World leaders must "act now" to protect the rainforests or risk the Earth becoming a dying patient, the Prince of Wales has warned.
In a speech to ministers and tropical forest scientists, he said his work on climate change could be "disheartening" but action was needed because the risk of doing nothing was "too great".
"The doctor must act on what evidence is already there," Prince Charles said.
But one climate-sceptic think tank has dismissed his comments as "poisoning".
'Act of suicide'...