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All You Need To Know About... Worm Farming PDF Print E-mail

Cute Worm

by Anthony Richard, Master Worm Farmer

Up to about half the waste produced in the average household is food or garden waste and worm farming is a valuable way of not only reducing the amount of rubbish that you are sending to landfill but turning this into a rich organic fertiliser for your garden.


Make sure you check out Ant's video on worm farming!

What you really want to know

  • If you do it properly worm farms DO NOT smell
  • Worm farms need to go in a cool shaded area (they really love 24°C but it really just needs to be between 10 and 30°C)
  • You get two great fertilisers for your garden. Worm castings (a solid fertiliser great for including when you’re re-potting your plants) and worm “juice” (a liquid, to mix with water and spray on the garden, or wherever else you like)
  • No, there will be no pests (like rats, maggots, flies or cockroaches) if you FOLLOW THE RULES
  • The greedy little worms can eat up to half their body weight in a single day (do the maths and work out how much food that would be for you)

That’s great but what do they EAT?

Just like you worms have their favourite foods, they LOVE:

  • Fresh vegetables
  • Most fruit (including the bits you don’t like such as skin, peel, rind, husks and seeds)
  • Nuts and their shells
  • Coffee grounds and teabags
  • Small amounts of Shredded up paper
  • The contents of your vacuum cleaner

But just like you there is also stuff that they don’t want to eat:

  • No Meat - It rots faster than the worms can eat it and you will gets pests
  • No Dairy - Spoils quickly and you will get pests. This includes buttered bread, but not things like cake with dairy in them. Just remember nothing that will spoil quickly.
  • Nothing acidic- Citrus fruits (lemons, limes, oranges, grapefruit and mandarins), Onions, Chilli and Garlic. Worms are as sensitive as your eyeball and the acid in these foods will burn the poor little fellows. Remember if it stings your eye it stings the worms.

Awesome, so where do I get one?

You can buy one or build your own. To buy one try either your local council or a nursery, garden centre or hardware store. If you’re building your own you will find heaps of ideas and suggestions on the internet. The possibilities are nearly limitless, so get out there and get creative with your re-using.

Check out Ant's new video on worm farming!

 
Climate Change PDF Print E-mail

by Anthony Richards

Back in 2007, the New South Wales Department of Environment and Climate Change conducted a study and noticed a huge increase in public opinon on how important climate change was as an environmental issue. By 2007 it had become the public's second most important environmental issue after water conservation and the drought (at the time, most of NSW was gripped by severe drought and under high level water restrictions).

From the United Nations (UN) “Earth Summit” Conference on Environment and Development in 1992, to the creation of the Kyoto Protocol aimed at combating climate change in 1997, and most recently to the Copenhagen UN Climate Change Conference in December 2009, climate change has been recognised as one of the most important environmental issues in the world today.

The Intergovernmental Panel on Climate Change (IPCC) believes that scientific evidence supports the view that most global warming in the last 50 years can be linked to human actions. The IPCC also thinks that the average global temperature could increase between 1.4 and a staggering 5.8 degrees Celsius by the end of this century. People know that climate change is a problem but many people don’t know why.

Just what could some of the effects of climate change be?

  • Over the last 50 years as the land temperature has increased so has the ocean temperature
    • This has led to a 10-20cm increase to the global average sea level, which is 10 times faster than any time in the last 3000 years
    • By 2100 this sea level rise could be another 9-88cm!
  • The Arctic air temperature increased by 5 degrees Celsius.
    • That is 10 times greater than the global average
  • The Arctic sea surface temperature has increased 1 degree Celsius in the last 20 years
  • Arctic sea ice thickness has decreased by up to 40% in summer and autumn
  • Rainfall patterns will change over the globe
    • In the mid and high latitudes of the Northern hemisphere there will be more intense rainfall
    • In the tropics and sub tropics there will be less rainfall
    • Australia, Africa and New Zealand are all expected to receive much less rain
  • Warmer temperatures will also affect wildlife; some species will fare better but some will fare worse
    • Many migrating species will arrive earlier and breed earlier in the year
    • Many cool and cold water fish species will lose their habitat
    • Growing and breeding seasons will change
    • Some animal species will need to move to new habitats closer to the Artic and Antarctic poles, or higher up mountains
Greenhouse gas (GHG) emissions are the cause of climate change and these vary greatly from country to country and region to region. Many different activities are responsible for creating these gasses with the fastest growing source of GHGs are transport (such as cars, busses, planes and trains). It’s not all doom and gloom however, as many greenhouse gas reduction projects are having an impact. Programs are in place worldwide such as:
  • The United Kingdom’s Climate Change Levy - An energy tax for industry, commerce, agriculture and the public sector
  • The 2005 Climate Change Plan for Canada
  • Australia’s Greenhouse Gas Abatement program
  • The Green taxation Plan for Automobiles in Japan - Providing tax relief for low polluting, low emission and fuel efficient vehicles
  • The 2005 law on renewable energy in China, that requires 10% of the total power consumption to come from renewable sources - this was done despite the fact that China is not being required to make changes under the Kyoto protocol, which shows that developing countries also can lead the way to combating climate change on a global scale.

Climate change is a worldwide issue that will take worldwide cooperation and effort to combat, but everyone still has their part to play and everyone can make a difference.


References

UNEP (2003), How will global warming affect my world?: A simplified guide to the IPCC’s “Climate Change 2001: Impacts, Adaptation and Vulnerability”, France

United Nations (2006), Trends in Sustainable Development, United Nations, New York

Department of Environment and Climate Change NSW (2007) Who Cares About Water and Climate Change in 2007? DECC Social Research Series

 
What is sustainability? PDF Print E-mail

By Michelle Shackleton

www.wikipedia.orgThe word seems to be on everyone’s lips these days and, like a game of Chinese whispers, by the time it reaches your ears it may have lost all meaning. It's being talked about everywhere; in government, in businesses, in educational institutes and perhaps even in your home; but how does it relate to you?

You may be switching to more energy-efficient lightbulbs and recycling your household waste (both of which are important actions in the quest to become more sustainable) but sustainability is a concept as much about the bigger picture as it is about individual action. It's about equality and justice for all people as well as the protection of the environment, both at present and in the future. It's about asking yourself what you want the future to look like, and trying to bridge the gap between your aspiration and the current projections of the future. It's about taking a little more time to consider the decisions you make in your everyday life, and the far-reaching impacts they have. And it's about being aware that we are all responsible global citizens as well as active members of our local communities.

Where did “sustainability” come from?

First of all though, where did the term come from? Sustainability is the goal of “sustainable development”, a phrase popularised by the World Commission on Environment and Development (WCED) in their 1987 “Our Common Future” report: “Sustainable development is development that meets the needs of the present without compromising the ability of future generations to meet their own needs.” (WCED 1987). Since then, many international conferences have championed the need to live more sustainably on a global scale, such as United Nation conferences in Stockholm in 1972, in Rio in 1992 and in Johannesburg in 2002.

This is only one definition however, and sustainability has as many definitions as Australia has ant-lions. Interpretations of sustainability and sustainable development are based on personal values and related choices, which is why agreeing to a universal definition is so difficult. Sustainable development is generally accepted as having three (often conflicting) concerns that need to be incorporated; the economy, the environment, and social equity. The WCED definition of sustainable development, for example, is often criticised for appearing to emphasis the importance of 'development' and so shifting the balance of power towards economic growth.

Every individual and group involved in sustainable development have their own agenda and opinion on what are the most important issues within sustainable development, and how best to put it into practice. Value-based questions (such as what to maintain, who to maintain it for, and how to maintain it) determine what aspects of sustainable development you think is most important.

For example, trees in the Amazon are being cleared to use the land for farming and livestock. The degradation of the environment is leading to a huge loss of biodiversity, but farmers are now able to make enough money to feed their families. What is more important: the environment or alleviating poverty? The government receives revenue from selling the wood and agricultural produce, which stimulates the national economy, but it receives international pressure to stop old growth logging and the resulting impact on climate change. Whose needs are more important: the local people or the global community? If the government replaces the revenue from logging and farming by opening up the tourism industry, foreign tourism companies may gain a monopoly in the market and most of the profits from the work of the local people will be siphoned off overseas. Is it more responsible to generate income by saving the environment if it is at the detriment of the local population? Every perspective has a different set of values. How would you answer these questions personally? How about it you were a farmer, a government official, or a successful tourism operator?

The WCED definition does however emphasise one of the key concepts of sustainability that is only starting to receive increasing attention: equity between us who are living now and those who will live in the future. Most of us in Australia are lucky enough to have access to the basic human rights of health, education, safety and freedom, but will future generations have that as well? If we all continue to live the way we currently do, what kind of life will we leave for them to enjoy? This is known as inter-generational equity, the equal right of future generations to enjoy the kind of lifestyle we take for granted.

There are many people in Australia and around the world, however, who are not as lucky as most of us. They don't have access to personal freedom, adequate food, clean water, security, basic education, freedom of expression, or cultural respect. In many developing countries, parents cannot afford enough food or health care for their children, and the children need to work rather than go to school. Millions of people around the globe do not have access to basic human rights, despite their entitlement to intra-generational equity in which the world's wealth and resources are distributed in a fair and equal way. It is for this reason that developing nations claim their right to grow their economies, even if it is at the expense of the environment. But can growth be done in an equitable and fair way? In short, we need to develop sustainably. The goal of sustainable development is to create a society that lives sustainably; that simultaneously provides for the needs of present and future generations.

What does “sustainability” mean to me?

Sustainability is a hugely complex concept, with many inter-related issues, and affects us on a global scale. So how does this relate to you?

Imagine for a moment that you were transported to the future 100 years from now, and you could meet your grandchildren and see your local neighbourhood. What would you like to see? What sort of social and natural environment would you like them to have? Coming back to the present, think about the worsening climatic conditions, the increasing pollution, the constant barrage of advertising that urges us to buy items we don’t really need, that in less than six months will end up in landfill while we buy yet more items. In reality, what kind of future do you think you are likely to see in 100 years time?

It is the ever widening gap between our ideal future and our probable future that relates sustainability to our everyday lives. All the decisions we make and actions we do can potentially bridge that gap or split it even wider. For example, we can reduce the chemical pollution flowing into our waterways by buying organic food, or switching to renewable energy sources to reduce our carbon footprint and combat climate change. By buying Fairtrade goods, more of the money you spend will actually benefit the farmers who produced it, and by volunteering in your local community you can help regenerate the environment or assist those who are less fortunate than ourselves.

But most importantly, it is the open dialogue on sustainability issues that has the furthest reaching effects. Every person you engage in a discussion about the inter-relatedness of environmental protection, social equity and economic value, leads to whole communities starting to think more consciously about the choices they make for a more sustainable lifestyle. They would question their patterns of consumption, such as whether they need to replace an old appliance or simply fix it. It is worth a few more dollars to buy a football that you know was not made by a 13 year old child for less than a dollar a day? When people start to talk to their friends and family, it inspires them to ask where their household items come from, and where do they go.

If we can engage in a debate on sustainability issues, individuals from the top levels of government and businesses, right down to communities and households, would begin to realise that sustainable development needs changes in policy, in production and in consumption. These require challenging our value systems, attitudes and social behaviour, to create changes in local everyday individual actions for a global long-term equitable future.

Where to from here?

To date, it has generally been acknowledged that there is a lack of progress on the sustainable development front. In a 2001 assessment of progress in sustainable development, the United Nations Economic Commission for Europe reported: “Progress has been made in improving the eco-efficiency of societies and in decoupling environmental and economic developments, but these gains have been offset by overall trends in production, consumption and economic instability. More natural resources are being consumed; more pollution and waste are being generated; transport and tourism have grown excessively; poverty and inequity continue as major factors.” (UNECE 2001)

It is becoming widely recognised that major changes are needed at all organisational levels, from local to international. Unsustainable practices are a global problem requiring a global solution, which will only be found through the sharing and learning of values and ideas across cultures and sectors of society.

The path towards sustainability lies in working together, across international boundaries. Common understanding of language and values are essential so that citizens of all ages are able to communicate freely and learn together. No one nation can bring about global sustainability, but if people from all different cultures can share ideas on how to make the changes needed to live more sustainably, it will foster the spirit of cooperation needed for the global community to shine the light down the path to sustainability.

References

United Nations (1987) Report of the World Commission on Environment and Development. United Nations General Assembly Resolution 42/187, 11 December 1987

United Nations Economic Commission for Europe (2001) Assessment of Progress in Sustainable Development since Rio 1992 for Member States of the United Nations Economic Commission For Europe CEP/AC.12/3. Geneva, 20 July 2001

 

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