waste

Plastiki Completes its Voyage

- Adam Clare

We looked at the Plastiki before when it set sail and now, a few months later the ship has completed its voyage.

The boat, carrying six crew, travelled through a waste-strewn area of the north Pacific and made stops in the Line Islands, Western Samoa and the French territory of New Caledonia before leaving for Australia.

The Plastiki’s bottles are lashed to pontoons and held together with recyclable plastic and glue made from cashew nut husks and sugarcane, while its sails are also made from recycled plastic.

The crew relied on renewable energy including solar panels, wind and propeller turbines and bicycle-powered electricity generators, and used water recycled from urine.

They were able to keep in touch with supporters via satellite through a website, blogs, and use of social-networking sites such as Twitter.

Keep reading about the Plastiki’s adventure

Seattle Law Makes Restaurants Waste Less

- Adam Clare

Seattle has become the first place in North America to require restaurants to use compostable or recyclable items that are meant for only one use.

Put into effect July 1, the ordinance requires restaurants, coffee shops, food courts, cafeterias and other food service businesses to stop throwing away single-use food-service ware and packaging including napkins, paper bags, wooden coffee stir sticks, clamshells and hot and cold beverage cups and lids among others.
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“With our requirement that food service packaging must be compostable or recyclable, Seattle has taken a big step toward a zero waste future,” said City Councilmember Mike O’Brien. “You have to ask yourself why we should make stuff just to throw it away. With compostable and recyclable food containers, we’re closing the loop.”

Keep reading at Earth 911.

One Trashcan Per Year: You Can Too!

- Adam Clare

Living and not producing any waste is pretty impressive. A family in the UK set out to demonstrate that they can easily live life and only make a trashcan’s worth of rubbish in a year. Guess what? They did it.

“Our vision is for a zero waste UK; a country where we rethink our rubbish and start to view it as a resource rather than a waste product,” the Strausses write on their website, MyZeroWaste. “Our belief is that a zero waste Britain is possible if more energy, money and care is put into education, innovative product design and recycling facilities.”

OK, so that’s the why. But what about the how? How does a three-person household cuts its trash footprint so dramatically while still keeping up a typical British living standard?

The Strausses go into great detail on their website. Step one, obviously: Reduce, for which they recommend everything from buying in bulk to simply removing the kitchen bin (“The out of sight out of mind approach … “). Step two: Reuse (turning used coffee grounds into snail and slug repellant, taking their own food containers to the butcher’s shop, wrapping gifts with junk mail). Step three: Recycle (even sending their empty crisp packets to a Philippine charity that turns them into wallets, bags and purses).

Keep reading at greenbang

The Race is On! Speed Composting is a Go!

- Adam Clare

One person’s trash is another person’s treasure. Or in reality, our waste from consuming can be repurposed and turned into useful resources.

If anyone knows that there’s value in trash, it’s Waste Management — the big waste hauler collects 66 million tons of it every year. So the company has teamed up with a small venture-backed company that has developed a system that can break down some of that trash fast and turn it into natural gas, electricity, compost or all of the above, making some of that trash even more valuable.

Waste Management announced today it has invested in Harvest Power and will develop projects with the company. Harvest builds giant digesters — think of them as cow stomachs — that speed up the composting process. By creating conditions that the bugs that break down organic matter thrive in — a little warmth, a little moisture — and mixing it up to keep the process going, Havest can speed the natural composting process to six to eight weeks from double that. The output? No hamburgers, milk or leather, but otherwise the same as what you’d get from a cow: natural gas and good fertilizer.

Keep reading at Forbes.

Keep Edible Pets

- Adam Clare

Can you help save the planet by eating your dog? Maybe.

Two researchers from Victoria University have published a new book Time to Eat the Dog: The real guide to sustainable living. In that book they compared how much carbon a pet produces compared to automobiles and they conclude that it’s best to keep pets that you plan on eating (if you don’t eat meat then I guess you can keep being awesome).

In a study published in New Scientist, they calculated a medium dog eats 164 kilograms of meat and 95kg of cereals every year. It takes 43.3 square metres of land to produce 1kg of chicken a year. This means it takes 0.84 hectares to feed Fido.

They compared this with the footprint of a Toyota Land Cruiser, driven 10,000km a year, which uses 55.1 gigajoules (the energy used to build and fuel it). One hectare of land can produce 135 gigajoules a year, which means the vehicle’s eco-footprint is 0.41ha – less than half of the dog’s.

They found cats have an eco-footprint of 0.15ha – slightly less than a Volkswagen Golf. Hamsters have a footprint of 0.014ha – keeping two of them is equivalent to owning a plasma TV.

Professor Vale says the title of the book is meant to shock, but the couple, who do not have a cat or dog, believe the reintroduction of non-carnivorous pets into urban areas would help slow down global warming.

“The title of the book is a little bit of a shock tactic, I think, but though we are not advocating eating anyone’s pet cat or dog there is certainly some truth in the fact that if we have edible pets like chickens for their eggs and meat, and rabbits and pigs, we will be compensating for the impact of other things on our environment.”

Read more here

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