Alameda Kiwanis Water Energy in Food 03092016 FINAL - Logoless

Is Producing the food we eat a waste of water and energy we need?

-Insights into the Water Energy Food Nexus

Alameda Kiwanis Club Wednesday March 9, 2016

by

Tony GreenSpeaking Green Communications 2016

Agenda1. Opening Thought

2. Glimpse of the Future

3. Challenges and More Challenges

4. Food/Water

5. Energy/Food

6. Water/Energy

7. Water – Energy – Food Nexus

8. To Think About

9. Questions and AnswersSpeaking Green Communications 2016

These were the words of John Beddington, Chief Scientific Adviser to the British Government in 2009

when talking about the relationships between food, energy, water and the

climate.

Speaking Green Communications 2016

http://steps-centre.org/wp-content/uploads/Water-and-the-Nexus.pdf

Opening Thought-“A perfect storm”

http://steps-centre.org/wp-content/uploads/Water-and-the-Nexus.pdf


Glimpse of the Future

http://www.springer.com/cda/content/document/cda_downloaddocument/9783319057460-c2.pdf?SGWID=0-0-45-1486976-p176660640.

Challenges and more Challenges


Cause for Increase on Demand?

Copyright @ Speaking Green Communications 2016

Water

Energy

Food


Water Energy Food Nexus


Water/Food

Food Water

Energy

What takes more water to produce?

Beef by factor of 3 1/2

Food “and Water” for thought


Source: http://www.huffingtonpost.com/2014/10/13/food-water-footprint_n_5952862.html

http://www.huffingtonpost.com/2014/10/13/food-water-footprint_n_5952862.html

Overview of the Processes require to produce the

food we eat

Copyright @Speaking Green Communications 2016

There are a wide variety of food processing operations are be

divided into four broad categories.

Ambient temperature processes. These include cleaning

and sorting; peeling, chopping and shredding and milling; -

filtration, centrifuging, expression, extraction and

membrane processes; mixing, blending and forming.

Thermal processes. These are processes involving heating

and include pasteurization and sterilization; evaporation;

and various cooking processes. Low temperature processes;

chilling and freezing.

Fermentation processes

Post processing operations; packaging and storage

Food Processing Overall


http://sst-web.tees.ac.uk/external/U0000504/Notes/ProcessPrinciples/Balance/Balance.html

About the Water Required – How is used?


Fruit% Water Content

Cranberries 87Grapefruit 91

Water Melon 92Orange 87

Strawberries 92Pineapple 87

Grapes 81Apple 84

Banana 74Peach 88

Vegetable% Water Content

Potato 79Zucchini 95

Cucumber 96Spinach 92

Tomato (Red) 94Broccoli 91Lettuce 96Celery 95

Eggplant 92Spinach 92

Prepared by Sandra Bastin, Foods and Nutrition Specialist and Kim Henken, Extension Associate for ENRI.

Water

Energy

Food

Energy/Water


The term Water-Energy nexus refers to the

fact that water and energy are

inseparable/connected. This is because:

Water is required to produce energy.

Energy is required to make use of water.

Water /Energy Separable?

Source: Meeting the Needs of the Water Energy Nexus CEP April 2011


Water Nexus Overview

http://www.ncsl.org/research/environment-and-natural-resources/overviewofthewaterenergynexusintheus.aspxCopyright @ Speaking Green Communications 2016

Source: https://www.slideshare.net/ElectrochemicalSociety/the-waterenergy-nexus-opportunities-and-challenges?from_m_app=ios



https://www.slideshare.net/ElectrochemicalSociety/the-waterenergy-nexus-opportunities-and-challenges?from_m_app=ios

Water

Energy

Food


Energy/Food

Source: Food is an Energy Issue Getting to a Sustainable and Climate-Friendly Food and Farming System by Heather Schonover



Energy use in the US food system

Retail food

services

4%

Commercial

food services

7%

Agricultural

production

21%

Transport

14%

Processing

16%Packaging

7%

Household

storage and

preparation

31%


Energy Used In Producing Food

Energy to make fertilizers and pesticides

Fuels for tractors and other equipment

Fuels for heating and ventilation of farm buildings,

livestock and poultry facilities

Electricity for irrigation (if used), lighting, buildings

Embodied energy in equipment and buildings

http://faculty.geog.utoronto.ca/Harvey/Harvey/books/Energy%20New%20Reality/ENR%20Volume%201/ENR%20Volume%201%20Chapter%207%20(Agriculture).ppt.


http://www.irena.org/documentdownloads/publications/irena_water_energy_food_nexus_2015.pdf

Water Energy Food Illustration


Water Energy Food - to Think About


Renewable energy resources

such as solar, wind and tidal

are readily available and do

not require fuel processing and

associated water inputs

The agri-food supply chain accounts

for 30% of the world’s energy

consumption and is the largest

consumer of water resources,

accounting for approximately 70% of

all freshwater use.

Water Energy Food to Think About


Getting your food

locally goes a long

way to reducing

the water and

energy footprints

When you Waste

Food, you Waste

Water as well as

Energy

Questions & Answers


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