Planet to Earth. SOS.

The Greens are advertising: :::[SMH]A new Australian Greens' advertising campaign on climate change will see the letters SOS loom over Australia's major cities for the next 30 days. Billboards, depicting the international distress signal SOS with a satellite image of the earth as the middle letter, are part of the Greens' campaign ahead of this year's federal election. Greens leader Bob Brown