Sydney Morning Herald: AS THE world’s biggest greenhouse gas emitter per capita, you would think sun-kissed Australia would be getting stuck into solar energy like a seagull into a bag of hot chips. So why don’t we all have solar panels on our roofs? Critics who say it takes more energy to make a panel than the amount of energy the panel saves are wrong: energy payback takes one to four years, says a US Energy Department report. But are panels good for the hip pocket? A family home would need a …