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Green Community

Dr. Edward Yiu

Legislative Council Member

Hong Kong 2016-2020

A Talk at Good LabDate: 4 Apr. 2017

• Energy (electricity, fuel)

• Water

• Food

• Materials

• ProductsResources

IN

• Consumption

• Waste

City• Water Drained

• Gas Exhausted

• Kitchen Wastes

• Recyclable Wastes

• Other Solid Wastes

Wastes OUT

Rely on a lot of Resources Inputs

and Disposition of Outputs

Traditional City Model

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A Sustainable Model of Green Community

Individuals

Buildings

Community

City

Country / Global

Zero-energy

Zero-water

Zero-food

Zero-waste

Zero-material

5-level, 5-zeros

sustainability model

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UAE – Carbon Neutral City

• the Masdar initiative - a carbon-neutral, car-free, 1,482 acre sustainable city powered by the sun, in United Arab Emirates;

• The development project is expected to be completed by 2023, at an estimated cost of $22bn, designed by Norman Foster.

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A Trial of 4-zero Community

• A Zero-energy, Zero-water, Zero-food and Zero-waste Community:

• Yiu and Compos (2013) Sustainable Communities, ISSF 2014, or:

• http://ecyy.weebly.com/uploads/1/2/9/3/12935669/sustainable_building

s_2013.pdf

HKAEE Golden Award 2015

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Reduce Waste / Recycle

Reduction

Reuse

Recycle

15 items

Collect Organic

WastesCollect Rain

Water

Solar

Energy

Education &

Training

Information &

Measurements

Competitions

and Awards

Energy

Saving Farming Fertilizers

CleansingCleansing

Liquid

Sharing

Economy

Empowerment

& Cooperation

Green scape

Reduce Pollution

At Source

Reduce Waste

from Source

Residents’

Participations

Food Self-

Sufficiency

Reduce Inputs

Reduce Wastes

A Green Housing Estate Scheme

Zero Energy

(Saved 40%)

Reduction of Electricity Consumption

• LED, Energy Efficient Motors, Water-cooling A/C*

• Auto Switch-off, PPO

Natural Renewable Energy

• Solar Panels, Wind Turbines*

Other Auxiliary Installations

• Bicycles for Charging, Tree Planting against Heat Island Effects

• Kids Plantation Day, Energy Saving Competitions

Zero Water

(Saved Water)

Save Water

• Recycle grey water, Aquaponics, Reduce water tank cleansing times

Other Sources

• Collect rain water for planting, Salt water for flushing*, repair leakage

Others

• Water saving competitions

Zero Food

(Local Farms)

Urban Farms

• Farms on rooftop, open area and garden, vertical farms, interior farms

Foodscape

• Aquaponics, edible landscape, fruit trees*

Farmers’ Markets*

• Harvest Festivals*, Local Food Cuisines

Others

• Food consumption reduction competitions

Zero Waste

(Reduce Solid Waste 15%)

Sharing Economy

• Barter, Time-money notes, Sharing, Car pools*

Composting

• Kitchen Waste and Leaves Collections

Recycling

• 24 items, Producers’ Responsibility

• Fruit peels collection for cleansing agentsOthers

• Recycle Competition, Improve Air Quality

• Preserve Ecology, Social and Cultural Heritage

Green Path and Green Corners

3 Types of Farming Area

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Farming Area

Prop Mgt

RentCommon

6-month Tenancy (4-box)

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Farming and Food Landscape

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Others

• Plants Hospital / Orphanage

• Chinese Herb Garden

• Aquaponics

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Community Currency (Stamps)

Recycle or Saving

Stamps

Vegetables

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Managed by

Property

Management

Company

➢ 43% landscape area (3 ha)

➢ No. of trees = 479 (absorb

11,017t CO2/yr)

➢ Vertical green walls

Greenery

➢Merge with Green belts and country parks

➢Biodiversity, including 60 species of birds, insects,

endangered toad and vulnerable frog

➢Old Valuable Trees, Hundred Years Old Heritage

Ecological and Heritage

Preservation

紅嘴藍鵲 (Blue Magpie), Urocissa

erythrorhyncha

Eco Enzyme from Fruit Peels

Leaves and Branches

Composting

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Kitchen Waste Composting

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Re-distribution of Food

(Fail to Do)

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Reducing Wastes, Reducing Purchases

It saves

29,232 litres of

Cleansing Liquid

Sharing Economy

It saves

914 books

and 167 items

In 2014

➢Sharing: Books, Toys, Sports Equipment, Furniture, Baby Stuffs, Musical Instruments, Electrical Appliances

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27 Recyclable Items

➢Carbon Powder Cartridges

➢Rechargable Batteries

➢Construction Materials

Producer Responsibility

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Reduce 15% Solid Wastes in 2015Q1

Reduction of Wastes

40

45

50

55

60

65

1 2 3 4 5 6 7 8 9 10 11 12 1 2 3

2014 2015

Daily Reduction of Solid Domestic Waste (in 660L Bins)

Water Saving

• 2nd hand water tank (disposed from roof

top works)

• Rain water collection

• For watering

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Energy Saving

➢LED

➢Transformer

➢Lift Control System

Solar Panels

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Smart Grids

• Smart grids allow selling electricity by users to the electricity grid of the district.

• Offsetting GHG becomes possible.

From 2004 to 2013, it saves 9,011,934 Kwh electricity (7,570t CO2)

It saves 47.5 % electricity consumption

Energy Saving

Green Kids

• http://www.hk01.com/%E7%A4%BE%E5%8D%80/53155/-

%E7%BD%AE%E5%AF%8C%E8%8A%B1%E5%9C%92-

%E6%A4%8D%E6%A8%B9%E7%A8%AE%E5%87%BA%E9%84%B0%E9%87%8C%E6%83%85-

%E5%B0%8F%E5%B1%85%E6%B0%91%E6%90%9E%E5%A2%9F%E5%82%B3%E7%92%B0%E4%BF%9D34

More 4 Zero Communities

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• Green Community:

– 4-zero Scheme

– Circular Economy

– Self-Sufficient

• If you are interested in promoting green communities,

you are welcome to join our team

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The End

comments are welcome.Enquiries to:

contact@edwardyiu.org