Australian: ON Friday, Ross Garnaut recommended a starting price of $20 a tonne on greenhouse emissions, at least until a global deal could be brokered. Three days earlier he recommended that Australians focus more on capturing greenhouse emissions in trees, grassland and soils. Neither idea is new, but they are closely related. Kevin Rudd wants to deliver a swift and decisive policy response to address climate change. But the rumblings from emissions-intensive industries and now Treasury …