Inspired by music, driven by campaigning, the 22-year-old is fighting for solar thermal energy in Port Augusta.
Dan Spencer is a community campaigner with the Australian Youth Climate Coalition. He was awarded the inaugural Bob Brown Young Environmentalist of the Year award in 2012.
PHOTO ESSAY: For Eritrean migrants, there is more dignity in death
The recent Saudi clampdown on migrant workers has brought campaigners onto the streets. Chris Matthews was with some of them in London.
Vanessa Baird ponders the tactics needed to resist austerity.
Jamie Kelsey-Fry reflects on the movement that has united people around the world.
Mari Marcel Thekaekara argues that we can all improve our wellbeing through traditional medicine and by slowing down.