Green Drinks 2014

Transition Town Farnham now meets at The Albion pub to discuss whatever is new in sustainability. The pub is at the corner of Guildford Road and Hale Road, Farnham. They do remarkably good food. Come by bicycle for the best reception but there’s plenty of parking, too. Join us at any time from 19:30 on the third Tuesday of each month.

There are usually around five of us; sometimes more, occasionally fewer. A lively evening is almost guaranteed.

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Veg Garden Summer Fete & Plant Sale at FLF

Veg Garden Fete-2014Farnham Local Food‘s biggest annual event of the year is nearly here. Our fete and plant sale invites you on Sunday 8th June to Runfold St George, Farnham.

Tell your friends!

For more info from the FLF website, click the flyer.

David

 

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Introducing Hot Composting Clubs

Hot Composting Clubs… the coolest thing in town!

The idea is to explore the social potential of hot compost making, while creating a locally available seed-free, detoxed, low carbon growing medium.

But hot, or thermophilic composting requires volumes of bulk material greater than that readily provided by a single family household.

A neighbourhood, or street hot composting club neatly solves this by allowing neighbours to create sufficient volume, at least one cubic metre, of brown and green waste on a regular basis, say every three of four weeks in the growing season.

A small area of un/underused land, about 8 – 10 square metres would suffice for a four bay system, allowing for 2 sq m for collection and similar for maturation.

The plan is to find a residents association which would like to experiment with this idea and support a training workshop locally.

Obvious benefits are recycling waste as free soil fertility to club members, promoting low carbon gardening and generating more social interaction among neighbours.

Hot composting clubs are a win-win for community and environment!

Anyone interested in taking this forward, just email me at rf.simpson@talk21.com

 

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Technology recycling – does it really happen?

Rather than throw it in the electrical bin at the town dump I’ve just taken apart a 20-year old DVD writer from my old PC, weighed the components and recycled them separately:

DVD drive - Electrical DVD drive - Plastic DVD drive - Metal

 

Electronics: 380 grammes, including not one but three motors and some steel that would take too long to remove. These will go into the electrical bin. Maybe someone, someday will extract the gold…

 

 

Plastic, mostly ABS: only 90 grammes. This goes straight into the household bin. Someone might recycle ABS but until the recycling marks are a bit larger and on all the components this is simply not going to happen. I can’t take the risk of it polluting the HDPE in the Blue Bin, either.

 

And finally Steel: a whopping 630 grammes or nearly 60% of the total. This could reasonably go with the tin cans in the household Blue Bin.

 

 

 

Did I do well? I wonder. It required the removal of twelve cross-head screws with at least two different-sized screwdrivers but didn’t take long to do.

What would have happened to it in the electricals dump? I hate to think and seriously doubt that anything similar would happen. Some years ago we were promised that electricals would be made of memory materials that self-disassemble in hot water and perhaps self-sort, too. Perhaps that was just hot air. In the meantime I’ll continue with my own pre-processing but can hardly expect others to do the same.

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Aquaponics: A New idea for local food

A Presentation Summary

At the beginning of the year, I had the privilege to give a presentation to members of Transition Farnham (and Guildford) on my new found obsession – Aquaponics. Thanks for everyone who attended and participated in the discussion afterward. Hopefully it planted a few seeds (excuse the pun!) for some new ideas about how we can use this technology in a local, sustainable way.

The following is a summary of that presentation, describing what aquaponics is (or as I understand it!), why I think it’s such an exciting innovation, and my hopes for how we can use it locally, in line with the Transition Movement’s train of thought.

I will also touch on my own recent DIY endeavours into aquaponics – half the time, the best way to learn is to get stuck in.

I hope it is a useful introduction to the technology and sheds some light on what might be possible in our own communities.

What is aquaponics?

Tilapia in aquaponics system at the Biospheric Project

Tilapia in aquaponics system at the Biospheric Project

Aquaponics is the merger of aquaculture – the growing of fish indoors – and hydroponics – the growing of fruit and veg in non-soil medium.

It is a reciprocal arrangement between the two whereby each is mutually benefited.

The fish produce waste in the form of ammonia which by the power of chemistry, is broken down with some friendly bacteria to nitrates. These get absorbed by the plants taking in the nutrients, filtering the water and sending it back fresh as new to the fish to use all over again.

I never thought you could grow food in anything but soil so it was quite a revelation for me initially. I think it’s great to feel surprise again when you learn something new.

In theory it is a closed loop, synergistic system.

In practice it’s a little more difficult than that – factoring in the other externalities that go into it like electricity and fish feed – as in reality there’s no such thing as a completely closed loop.

But it was the general principle and simplicity of the model that drew me to it in the first place, and with this basis it’s quite flexible, for example, using different fish in the system. Tilapia, which I have, are most commonly used because they are the hardiest. They can live at quite high Ph variances, and are quite happy at high density stocks, but you could also use other fish like perch, and trout, but they are a little more precious.

History

The title, “new idea for food” is perhaps false-advertising as this isn’t a new technology as such. The Aztecs used this technology centuries ago, growing maze on reed rafts on lakes, and the Chinese are also documented as also doing similar 1500 years ago.

Currently it is being used more in community and commercial settings, but this is certainly still niche and not going to replace current agricultural practice anytime soon.

Benefits of aquaponics

 At an initial glance there are clear appeals to aquaponics over other methods. Some advantages include:

-          90% less water use than traditional soil methods (you only need to replace water taken by plants and through evaporation)

-          Higher yields – the roots don’t have to spread out and compete for nutrients as much as in soil so plants can be more densely packed.

-          Plants can be grown throughout the year (if grown indoors).

-          No artificial chemical fertilisers and pesticides.

-          Highly flexible – can be adapted to suit location and needs of individual, community or business.

Growing need for change

My interest in aquaponics is set within a context of a growing need for a better solution to the associated problems of modern life – whether it be climate change, inequality, resource depletion, environmental degradation, human exploitation, or poverty etc.

Presently, my particular focus is around food production and distribution, and principally how we create it sustainably in accordance with nature.

Food is obviously one core necessity for us all and it is an area which I believe we can increase our efficiency massively, so that we can adequately meet the nutritional needs of everyone on this planet – no mean feat!

Currently we’re sold the myth that we can’t feed the planet. You know the drill – 1 billion people are starving right now, by 2050 we’ll have 9 billion mouths to feed and the only solution is more intensive agriculture, turning to high yield GMO monoculture crops as our salvation.

Well, I just don’t buy that. The problem isn’t that we don’t produce enough food. Even with our current methods we already meet the calorific needs of everyone.

The problem is that we waste so much of it.

The Institute of Mechanical Engineers has recently reported that we waste around 30-50% of all food produced – much of this wasted in the production and transportation. Purely from a point of sustainability we can’t keep shipping in our food from all for corners of the planet.

The problem is also access to food.

In the UK context, when you look at food prices rising faster than peoples’ wages, as well as the cuts that are being made then you can understand why Guildford and Farnham now have four food banks between them.

Food security is a complex problem than just these two issues alone, but it’s clear to me that we need to change our food systems, and, ultimately, the economic system that underpins it. We can’t carry on as normal – but I’ll leave that rant for another day!

Bearing in mind all of the advantages, as described above, aquaponics has the potential for broad social benefits, making it easier for people to grow food, more cheaply, and closer to them.

London: The Farm: Shop

Farm Shop Dalston

So I was really excited when I stumbled upon this neat little project in Hackney called Farm: Shop.  The project is a collaboration between a number of community groups and Hackney council.

They’ve renovated an old terraced building – an old shop in Dalston – and installed an indoor urban farm with a mini-aquaponics and hydroponics systems. It also has a café where it sells the produce that it grows.

It’s a great little experiment because whilst it’s not going to set the world alight and solve world hunger, it is a new model of how Londoners can interact with their food and community, and maximise the available space.

The wider social benefits are that it’s a place where people can congregate, volunteer, and learn how to live more sustainably.

It also provides a model as to how the local community can take ownership back over the means of production of their food.

For me, I would love to see something similar on every street corner across the country.

Essex Aquaponics

DIY aquaponics system

DIY aquaponics system

Seeing this system in action inspired me to try it out for myself, so without the space myself (I’m a fairly recent immigrant to Guildford) I commandeered my parents’ garage in Essex.

There’s nothing like getting stuck in to learn by experience – or should I say trial and definitely a lot of error. It turned out to be a bit trickier than I first thought but with a bit of tinkering along the way we have had a good 6 months growing basil, perpetual spinach, tomatoes as well as a bumper crop of peppers, to name a few.

Give it another week and the Tilapia should be ready to eat!

Biospheric Project

Biospheric Project

Setting up my own system was always an experiment, and I’ve been keen to scale up something larger on a community basis within Guildford/ Farnham.

To get an idea of what could be possible I ventured up to Manchester to visit the highly impressive Biospheric Project.

Located in a disused warehouse in the middle of Salford, it comprises of a number of different elements, including aquaponics, vermiculture, and a communal forest garden. Each of these elements is connected in one bigger system.

The project team, led by Vincent Walsh, was set up to see how such a system could work in an urban environment. All indications are looking good and an evaluation will be published in Walsh’s PhD paper on the project – I look forward to the results.

Future plans: Guildford/ Farnham

With all this in mind I am keen to getting cracking and setting up a project in Guildford. What this will look like is still a bit vague, but in the first instance it will be about furthering the knowledge of aquaponics locally, and we can develop the next steps in due course.

I would like to think a future project might try to address the rising need of food banks locally in Guildford and Farnham, and help them implement a community owned, highly sustainable, and virtually free, food system.

Perhaps, a project will develop which looks to generate a cooperative of local aquaponics growers to sell at the local farmers market?

Let’s see where it take us.

If you would be interested in getting involved in any way please do email me dsrubes@googlemail.com and I will look to convene a follow up discussion in due course.

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Buzz for Bees at The Maltings: 19th Feb am

WED | 10:30 | WORKSHOP

Make a Buzz for Bees!

https://farnhammaltings.com/events/make-a-buzz-for-bees/

Start: Wednesday 19 February – 10:30

Estimated End: Wednesday 19 February – 12:30

Admission: Free

Running time: 2 hours

Suitable for ages: 4-16+

Adults and children, join us to find out how to make your neighbourhood bee-friendly by finding out more about the bees in your garden. Collect some bee-friendly seeds, listen to experts, decorate “bee” cupcakes, colour in posters, watch the film “More than Honey”, all to help save our fuzzy friends!

Children must be accompanied by an adult.

via Events Calendar | What’s On? | Farnham Maltings.

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Transition Haslemere Wood Fuel Project

Community Wood Fuel Project Update

Transition Haslemere has launched the first schemes under its community wood fuel initiative.

The schemes offer:
– woodland activities to gather and prepare wood for fuel
– wood fuel at prices discounted in proportion to volunteering hours, and
– other family-oriented woodland events through the year.

The first two woodlands are at Fowlshatch Copse in Prestwick Lane and Imbhams Farm off Holdfast lane. A ‘taster’ event where you can visit the woods, try out some activities and find out more about the schemes, will be held on Saturday 15 February at Fowlshatch Copse – please click here to see the leaflet for full details.
A second taster event will be held at Imbhams Farm on Saturday 22 March – full details will follow in due course.
The aim is to bring previously managed woodland back under management and in doing so provide a local source of renewable fuel, improve biodiversity and reduce carbon emissions, all within a community
initiative. Continue reading

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