Rhinos are in trouble. The ancient Sumatran rhino has just been declared extinct in Malaysia, following the fate of black rhinos in West Africa in 2011. Central Africa's northern white rhino has been reduced to four - yes, four - animals, and conservationists say the more plentiful southern white rhinos are under unprecedented attack from poachers eager to sell the horns to Asian and Arab buyers. This week The Inquiry hears four very different answers to the question: How do you save the rhino? Experts include Namibia’s first female dangerous game professional hunter and one of China’s biggest celebrities and campaigner, Yao Ming.

(Image: A baby rhino and an adult rhino. Credit: Getty Images)