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In the United States, under 3 percent of municipal food waste - so that's the food scraps that goes into people's garbage cans - actually gets recycled. If you go to a place like South Korea, the exact reverse is the case. It's about 3 percent that doesn't get recycled.

Supermarkets didn't even want to talk to me about how much food they were wasting. I'd been round the back. I'd seen bins full of food being locked and then trucked off to landfill sites, and I thought, surely there is something more sensible to do with food than waste it.

Food redistribution is one of the best win-win solutions for food waste avoidance. Food companies can often save money by donating food rather than paying the £80 or so per tonne in landfill tax and disposal costs.

While cheap products are exported to western countries, the waste is dumped mostly in China's back yard, contaminating its air, water, soil and seas.

According to the 'food waste pyramid,' ensuring that food is eaten by people is the top priority. Failing that, the next best thing is to feed it to farm animals.

In many places in the developed world, we eat or waste probably twice as many food calories as we really need. We're wasteful of food. We ship all over the world. We're now realizing that generating the energy to ship the food around the world is also ruining our climate.

It's all about fair trade, and helping people eating locally grown stuff. We're recycling everything. We're trying to tour in the most conscious way possible, environmentally and socially.

I'm mad keen on recycling because I'm worried about the next generation and where all this waste we're producing is going. It has to stop. I wash out my plastic containers and recycle envelopes, everything I possibly can.

Producing clean energy from non-recyclable waste is an important part of my future vision for family company Visy Australia.

I am involved in Greenpeace. And I just recently completely switched my diet over to near-veganism. So you try to do little things that you can. I recycle every single day. Every single thing in my house that can be recycled is.