Ever worry that sustainability talk is so much hot air? Us too. So this week, we're focusing on... BURPS AND FARTS!

Now that we've got your attention, this is serious topic. According to UNEP, methane has accounted for roughly 30% of global warming since pre-industrial times and is proliferating faster than at any other time since record keeping began in the 1980s. While it hangs around in the atmosphere for less time than carbon does, while it is here, it's more potent. Where does it come from? Livestock emissions account for about a third of human-caused methane emissions. And yes, there's a fashion connection thanks to leather and wool. What if feeding livestock a certain type of seaweed could help? It can!

Meet Sam Elsom, the Aussie behind Seaforest - an environmental tech company set up to tackle climate change by the power of seaweed.

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