Stories of 2015: Man who identified Cecil the lion's killer vows death will not be in vain

Zimbabwean activist Johnny Rodrigues says he now has an unprecedented platform to promote conservation

For 35 years, Johnny Rodrigues has been trying to get people to pay attention to conservation issues in Zimbabwe's Hwange national park, with limited success. Then, in July, a dentist from Minneapolis killed Cecil the lion, the park's most famous resident, and Rodrigues found himself at the centre of an international media storm.

Related: Killer of Cecil the lion was dentist from Minnesota, claim Zimbabwe officials