RESPECT: thousands of people in the UK volunteer on search and rescue teams, and do so largely unsung. There are around 1,000 volunteer cave rescuers in the UK, and 4,700 volunteer lifeboat crew members. In 2015, more than 1,720 people helped in mountain rescue operations. Lowland and coastguard cliff rescue teams are even less well known. But together their impact is powerful. The Royal National Lifeboat Institution says its volunteers have saved more than 139,000 lives since its foundation in 1824.