Scientist Tim Flannery has proposed a radical solution to climate change which may change the colour of the sky.
But he says it may be necessary, as the “last barrier to climate collapse.”
Professor Flannery says climate change is happening so quickly that mankind may need to pump sulphur into the atmosphere to survive.
National Nine News: Change sky’s colour, proposes Flannery

Jennifer Marohasy BSc PhD has worked in industry and government. She is currently researching a novel technique for long-range weather forecasting funded by the B. Macfie Family Foundation.