African elephant populations face possible extinction within a decade because of ivory poaching, campaigners have warned.
The WWF said that both black and white rhino are under unprecedented attack for their horn, which is being traded as a lifestyle drug, while wild tiger numbers across Asia have dropped by more than 90% in the last 100 years.
At an event today the Prince of Wales and the Duke of Cambridge will speak alongside Environment Secretary Owen Paterson to guests from countries affected by the illegal wildlife trade.
They will urge for stricter laws against the criminals involved and help for rural communities to find viable alternatives to illegal wildlife trade.
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After a mild start temperatures should pick up, with the south of England seeing highs of 26C.
In Edinburgh tonight you can hear it and feel it. The buzz, the banter of the day and the thrilling sense something big is coming tomorrow.
There is nervousness, anxiety and on the streets of Edinburgh fuelled by an atmosphere unlike anything seen before in recent UK politics.