Cashing in on public guilt? Carbon offsetting Southern OnTrack . August/September (2007). Is carbon offsetting really effective in the fight against climate change, or is it just a means of generating vast profits at the expense of the planet? Live Earth - Saving the Planet? Southern OnTrack . August/September (2007). With the global festival Live Earth now over, did it follow on its promises? Line between pornography and art begins to blur . Ground Report. January 7. A film company breaks new ground by blending porn with art; porn actress Justine Joli uses her day job to explore her artistic side.