If going green isn't cool anymore in today's economic climate, this recent batch of news isn't going to help. According to a recent study published in the journal Conservation Letters, farming and eating kangaroos instead of cattle and sheep would made a dent in Australia's greenhouse gas emissions.

Unlike sheep and cattle, kangaroos emit little methane, which accounts for 11 percent of Australia's greenhouse gas emissions. The study suggests that increasing the kangaroo population to 175 million while simultaneously decreasing the the number of other livestock would lower emissions by 3 percent over the next 12 years. The plan would have added benefits for soil conservation, drought response, and water quality as a result of reducing the number of hard-hoofed livestock.

Still, there's the small issue of kangaroos being a national icon and all:

The change will require large cultural and social adjustments and reinvestment. One of the impediments to change is protective legislation and the status of kangaroos as a national icon," [the study] said.

For Australians, that's an inconvenient truth not likely to go away any time soon.

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