AYES2010 - Benjamin Sovacool
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Transcript of AYES2010 - Benjamin Sovacool
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Sustainability, Climate Change, and You
Benjamin K. Sovacool,
Assistant Professor LKYSPP,
Presentation to the Asian Youth Energy Summit 2010, Shaw Foundation Alumni
House, National University of Singapore, October 15, 2010
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A brief overview
• Three slides on climate change
• Sustainable electricity
• Sustainable food
• Sustainable homes
• Sustainable technology
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Sustainable electricity
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Lifecycle greenhouse gas emissions for conventional and renewable
resources (grams of CO2e/kWh)
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Individuals and companies can support these
technologies by:
• Writing a political
representative
• Convincing your parents or
children (familial or corporate)
to invest shares in a clean
energy company
• Purchasing renewable energy
or climate credits (even as a
gift!)
• Building these systems on
homes, schools, and
manufacturing facilities
• Choosing a career in a clean
energy field
• Consuming less electricity by
altering some of your habits
and routines
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Sustainable food
• Agricultural practices
contribute to a number of
climate changing activities:
• Fossil fuel combustion
(irrigation, fertilization, land
reclamation; 72% Nitrogen
oxide emissions from
fertilizer)
• Deforestation (agriculture
is the number one cause)
• Methane emissions
(livestock digestion 18%,
more emissions than
automobiles)
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Sustainable food Trends in consumption of livestock
products per person
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Global Leaders in Carbon Dioxide Equivalent Emissions from
Deforestation
Country Share of Emissions from Deforestation
Indonesia 33.7%
Brazil 18.0%
Malaysia 9.2%
Myanmar 5.6%
Congo 4.2%
Zambia 3.1%
Nigeria 2.6%
Peru 2.5%
Papua New Guinea 1.9%
Total 80.8%
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We can change our food habits by:
• Eating locally
grown and
produced food (the
numbers 2,000 and
17)
• Becoming a vegan
or vegetarian, even
for a day
• Reducing food
packaging and
waste
• Visiting a farm
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Sustainable homes
What is this?
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Sustainable homes
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Sustainable homes
Energy use in a Typical Household
Buildings
are the
“hidden
curriculum”
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Sustainable homes
What we can do:
• Space heating/cooling: substitute a fan for air
conditioning
• Water heating: take lukewarm or cold showers
• Lighting: switch all bulbs to CFLs or LEDs
• Cooking: cook meals together, reuse dishes
• Refrigeration: store only essential items,
minimize open doors
• Appliances: un-plug “vampires,” purchase only
essential technologies
• Be satisfied with enough
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Sustainable technology
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Sustainable technology:
• Turnover for items and goods is
astonishingly quick: we replace
goods when they are no longer
fashionable, not no longer useful
• More than 95% of the goods
most people purchase are no
longer in use after the first year
• Toxic pollution (mercury, lead,
etc.) from these products,
especially electronics, is immense
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What you can do:
• Use a towel instead of paper (Douglas Adams)
• Replace items when they wear out
• Purchase used clothing and other goods
• Push for lifecycle responsibility from manufacturers
(called extended product liability)
• Purchase environmentally friendly or (better yet) neutral
items (i.e, the GreenPhone)
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That leaves us with one conclusion:
• Despite the magnitude of the world’s energy, food, and
climate challenges, there is much we can do as
individuals to immediately start addressing climate
change
• Individuals such as yourself can make a difference by:
• Educating yourself
• Educating others
• Voting
• Investing
• Buying
• Installing
• Altering lifestyle (walking, vegetarianism)
• Reusing and recycling
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