Following the launch, William gave a TED Talk on environmental protection and conservation as part of the TED Countdown climate change initiative. Later that month, William took over the patronages of Fauna and Flora International and the British Trust for Ornithology, passed on from the Queen and Prince Philip. In the same month, he appeared in an ITV documentary titled Prince William: A Planet For Us All to discuss environmental issues. In early 2021, William made a private donation to the Thin Green Line Foundation, which provides grants for the relatives of conservation park rangers that are killed every year while protecting wildlife. In July 2022, William condemned the murder of South African park ranger Anton Mzimba and asked for the responsible parties to "be brought to justice". In August 2022, he voiced his support for the 63-month prison sentence given in the United States to a man responsible for trafficking rhinoceros horns and elephant ivory. He had previously called for harsher punishments and penalties for poachers and smugglers at the Illegal Wildlife Trade Conference in 2018. Mental health Since 2009, William has been the patron of Child Bereavement UK, which provides support for children and families who have lost a loved one. In 2016, the Royal Foundation launched multiple mental health initiatives, including Heads Together, a campaign led by William, Catherine and Prince Harry to de-stigmatise mental health. Legacy programmes include Mental Health at Work, launched in September 2018 to change the approach to workplace mental health in the UK, as well as Heads Up, launched in May 2019 in partnership with the Football Association, utilising football to affect the conversation surrounding mental health in adults. Later that month, the couple together with William's brother and sister-in-law launched Shout, the UK's first 24/7 text messaging service for those who suffer from mental issues. William later volunteered on the crisis helpline during the COVID-19 lockdowns to provide support via text message. William attributes his interest in mental health to his experiences as an air ambulance pilot, his work with the homeless, veterans' welfare, and his wife's anti-addiction advocacy. In late March 2020, William and Catherine began supporting a new mental health initiative by the Public Health England amidst the coronavirus pandemic. In April 2020, the couple announced Our Frontline, an initiative providing mental health support to emergency medical workers. In September 2020, he established the Emergency Responders Senior Leaders Board,