Four conservationists convicted of espionage in Iran have been released after six years in jail. They were arrested in 2018 after being accused of spying while working to save the endangered Asiatic cheetah. Their conviction in 2019 was condemned around the world by conservationists, scientists and human rights organisations. The group, which worked with the nonprofit Persian Wildlife Heritage Foundation (PWHF), includes Niloufar Bayani – an Iranian wildlife researcher and UN Environment Programme (UNEP) consultant – and environmental activists Houman Jowkar, Taher Ghadirian and Sepideh Kashan…
