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October - "Progress towards sustainability across our three themes - society, economic and environmental" ... and more

22/10/2024

 
At our first session in October we focussed on progress towards sustainability across our three themes; society, economic and environmental. What we found was that progress towards overall sustainability in Australia is a little bit of two steps forward, one back.

In the social area housing was a problem, primarily because the housing supply (relative to population growth) was in a poor state. This was particularly true for public and community housing, the stock proportion of which has fallen significantly since the 1950s. The relative cost of housing, and rental vacancies, is also making it more difficult for people to get the housing they need.

Economically the story is in two halves. GDP per capita is reasonably steady; even growing slowly. But the distribution of income and wealth is way out of kilter. The top 20% of households earn 12 times more than the bottom 20%. Additionally, the wealth of the top 20% of households is 93 times more than the bottom 20%.

​In the environment there is both good and bad news. Clearing of primary forest nationally has been trending down this century from around 400,000 ha/annum over the period 1990-94 to under 60,000 ha/annum over the period 2015-19.  Over the long-term (since European colonisation) species extinction has been very significant. However it is difficult to judge from available data how species are travelling in more recent times; but there have been some species that have become extinct this century (and some 're-found').

At our second October session we spent half out time discussing the upcoming council election and what it might mean for sustainability in Benalla. Too much time was spent discussing why the convenor left the community candidate forum early! We then covered many other topics including if governments would soon be subsidising home solar batteries given we have almost reached saturation point with roof-top solar to the extent that during sunny days utilities are/will soon be having to stop importing roof-top solar into the grid.


​John Lane

18 October session - Pre-reading Links

16/10/2024

 
"We'll be having another sustainability group session this Friday, 18 Oct commencing at 10:00am

I don't plan to talk about anything in particular so looking forward to you bringing forward items for discussion.

Attached is the usual document containing links to reports on topical issues, some of which might start a conversation.

Looking to see you all on Friday.

John"

The Conversation 4 Oct 24 – Reintroducing native grasslands in urban environments

The Conversation 30 Sept 24 – Why is the Darling River drying up?

ABC News 5 Oct 24 – Does Hydrogen still have a future?

ABC News 6 Oct 24 – Calls for subsidies for solar batteries

ABC news 6 Oct 24 – Britain’s last coal-fired power station closes

ABC News 7 Oct 24 - What nuclear power in the United States tells us about the
Coalition's controversial energy policy.


ABC News 10 Oct 24 – Temp over shoot of global temp target may cause more
problems than thought.


ABC News 10 Oct 24 – Grantham moved after 2011 floods

ABC News 13 Oct 24 – Coal power plant experiment to ‘turn down’ then ‘up’ with
fluctuations in solar/wind supply


ABC News 16 Oct – Possible new federal govt scheme to support battery uptake

Traditional burning practices in the NW deserts – Youtube video:
Reading for October 18 session - Dowload PDF

​John Lane

4 October session - articles you might find interesting...

4/10/2024

 
The Sustainability group meets again this Friday at 10:00 am. Not sure of a topic as yet. The news is full of war!

Following are links to articles that you might find interesting.

John
4 Oct Session – Article Links 

Geelong Grammar School – Prof Rufus Black presents the 2024 JR Darling Memorial Oration -  Link 

ABC news 21 Sep 24 – Global GHG emissions may peak in 2024   - Link 

ABC news 22 Sep 24 - Mulch trials reusing waste from Victorian green bins to help grow grapes   -  Link 

The Conversation 23 Sep 24 - Indigenous Rangers in outback WA find up to 50 night parrots  -  Link 

The Conversation 25 Sep 24 - Where do we stash the equivalent of 110 Sydney harbour bridges? That’s the conundrum Australia faces as oil and gas rigs close  -  Link 

Plus a New Scientist article 24 August  - '1.6 warming is now best case scenario' (link sent by email).
    BSFG on:

    'Sustainability'

    Full sustainability is only achieved when our society achieves this in three spheres of our activity: Social, Economic and Environmental. Sustainability in each of these three spheres is far from being achieved.  This has become the concern of governments and ordinary people world-wide and has resulted in many questions about the sustainability of our present lifestyle.

    This course aims to explore topics such as global warming and climate change, reducing greenhouse gas emissions, clean energy options, the challenge associated with population change, sustainable agricultural practices, water use, natural resource use,  energy efficient building design, improving the social condition of people, wealth distribution and various economic issues. No prior knowledge of these topics is required, just a general interest in the issues around sustainability.

    ​Note:  In 2025 the Sustainability Group will be combined with the Stock and Land Group.  Some sessions will be devoted to Stock and Land issues.

    Meeting Times

    1st and 3rd Friday
    10 am to 12 midday
    ​U3A Meeting Room 1

    Convenors and contact details

    Picture
    John Lane
    ​0474 936 460

    Convenor 2008-2021

    Picture
    John Lloyd 

    Local Links 

    Benalla Sustainable Future Group:
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    Renewable Energy Benalla - website

    Other Links

    Fifteen Tips to Lower Your Carbon Footprint
    Economists for Equity and the Environment

    The Future Economy


    Population Matters-For A Sustainable Future

    Strathbogie Voices Seminars on Climate Change in Euroa (YouTube)
    


    Frank Dunin's paper 'Fire reduces water harvest from Melbourne's water supply catchments'.

    Frank Dunin's response 'Chemistry Lesson for Scott Morrison'

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