Plenary paper presented by Professor Abiodun Ayodele at ...
Transcript of Plenary paper presented by Professor Abiodun Ayodele at ...
Plenary paper presented by Professor Abiodun
Ayodele at the International conference on Science
and Sustainable Development (ICSSD 2020)
organized by the Department of Physics, Covenant
University, Otta in collaboration with other partners.
Preamble
• I am indeed honored to be here and I
am grateful to the organizers of this
event for the opportunity to partake in
this conference most importantly as a
plenary speaker.
• I plead that you accept my limitations
as I only provide the framework for
discussions while we later delve into
the knitty-gritty of the theme of the
conference.
Preamble
• We must also note that we are just
getting over the scare of the dreaded
Covid-19 pandemic.
• It has been a very trying moment for
us in the country.
• But we thank God that activities are
returning to normal however not
without a scar on the body of
scientists the world over.
Introduction
• Man is an integral part of the
biosphere, and from inception has
depended on the earth for survival by
exploiting it for food, water, energy
and power.
• Societal progress has been measured
by the level of growth and
development in the fields of science,
technology and innovation.
Introduction
• Global superpowers are recognized by
the levels of solutions they contribute
to rebuilding a sound relationship
between human society and the
environment.
Science/Technology/Sustainable Development
• Science and technology (S&T) are the
pivot of man‟s quest for sustainable
development (health, education, nutrition,
construction, communication, agriculture,
commerce, energy, defense etc.).
• S&T enhance our understanding of the
socio-economic, political, cultural,
environmental and even religious problems
of our country while technology is
necessary in solving these problems.
Science/Technology/Sustainable Development
• Science is the process of discovery and the
relentless pursuit of increased
understanding through experimentation,
data taking, conjecture and modeling, and
critical testing of the boundaries of
knowledge – always seeking the true facts.
• This involves critical thinking and
challenging and testing of assumptions,
using several techniques.
Science/Technology/Sustainable Development
• Science continues to seek new
technologies to improve our
understanding of the intricacies of our
environment.
• Technology is the application of scientific
knowledge for meeting the needs
of the society.
• It is the visible results emanating from
scientific research.
Science/Technology/Sustainable Development
• With technology, humans change,
transform and recreate our environment
in order to meet the needs and
aspirations of the society through
creation of tools, machines, products
and services.
• The catalyst for science and technology
is innovation.
Science/Technology/Sustainable Development
• Innovation is the implementation of
new ideas to create value; of creating a
new service, system, or process, or
enhancing existing ones.
• Inventions are the bedrock of
innovation, new solutions to some
technical problems.
Science/Technology/Sustainable Development
• Sustainable development is defined as
“Development that meets the needs of the
present without compromising the ability
of future generations to meet their own
needs” (WCED, 1987:43).
• Sustainable development is premised on
social, economic and environment criteria
(Boulanger, 2008; Kongoli, 2016).
The 17 Sustainable Development Goals (SDGs)
• No poverty,
• Zero hunger,
• Good health and
well-being,
• Quality education,
Gender equality,
• Clean water and
sanitation,
• Affordable and
clean energy,
• Decent work an
economic growth,
• Industry, Innovation
and Infrastructure,
• Reduced inequality,
• Sustainable cities
and communities,
The 17 Sustainable Development Goals (SDGs)
• Responsible
consumption and
production,
• Climate action,
• Life below water,
• Life on land,
• Peace and Justice
• Strong institutions
and
• Partnerships to
achieve the goals.
Science/Technology/Sustainable Development
• The quest for sustainable development
in Nigeria calls for commitment to first
build a strong capacity for sustainable
political governance.
• This will drive purposeful leadership
which will realize the need to
adequately invest in human capacity
engineered towards development
through Science and Technology.
Science/Technology/Sustainable Development
• Harnessing the various natural
resources in our country demands that
adequate investments be made in S&T
for a sustainable environment and the
socio-economic development of the
nation.
• Policy decisions must take cognizance
of scientific facts to yield the desired
development in the country.
Science/Technology/Sustainable Development
• There is equally the need for
private/public partnership in the whole
issue of science and technology for
sustainable development.
• Universities and research institutes
must make their research reports
available to the relevant industries
while the industries must also be ready
to fund meaningful research.
Science/Technology/Sustainable Development
• Universities and research institutes must
have a well-coordinated working
relationship with a view to harmonizing
their potentials for the industry.
• TWI2050 identified six exemplary
transformations which will allow
achieving the SDGs and long-term
sustainability to 2050 and beyond as
follow:
Elements of an Effective Science and
Technology Strategy
• A sufficient base for science and
technology for sustainable
development must be assembled from a
variety of key activities such as:
• Building Capacity for Sustainable
Development,
• Investing in Training the Next
Generation,
Elements of an Effective Science and
Technology Strategy
• Ensuring Access to Information,
• Strengthening the Scientific Basis of
Decision-Making,
• Informing the Public.
Essentials of Advances in Science and
Technology
• Advances in agriculture must be geared
towards food self-sufficiency and food
security for the growing population in
our country.
• Advances in energy should focus on
Clean and renewable energy
technologies to guarantee a sufficient
and sustainable energy supply for the
developing world.
Essentials of Advances in Science and
Technology
• Application of new technologies will
be crucial to providing adequate and
safe water supplies.
• Advances in Medicine for developing
countries such as ours to confront the
scourge of infectious diseases, plaques
and non-communicable diseases.
Essentials of Advances in Science and
Technology
• Advances in ICT and communication
in general must be to support all other
facets of the economy.
• Advances in technologies to limit
pollution and ensure a clean and
sustainable environment.
Essentials of Advances in Science and
Technology
• Advances in ICT and communication
in general must be to support all other
facets of the economy.
• Advances in technologies to limit
pollution and ensure a clean and
sustainable environment.
Advances in Agriculture
• An agricultural innovation system is
about people, the knowledge,
technology, infrastructure and cultures
engaged with towards a stable and
enduring food security and
sufficiency.
Advances in Agriculture
• The use of technology
in agriculture increases growth and
development with effective production.
• Such advances in technology are key to
the future of agriculture as they
enhance higher food production with
less resources.
• Such now include among others:
Advances in Agriculture
• Driverless Tractors – unmanned tractors
in Agriculture;
• Agricultural Drones - an unmanned
aerial vehicle applied to farm in order to
help increase crop production and
monitor crop growth;
• Vertical Farming - process of cultivating
the crops in vertically stacked layers to
increase more production with less
utilization of soil and water;
Advances in Agriculture
• Combined Harvester- mainly used in
paddy and wheat farming at the
harvesting phase for reaping, threshing
and winnowing;
• Manual Milking Machines- partial
automatic milking systems with less
manpower required.
Some modern farming methods
• Aeroponics: process of growing plants
in an air or moist environment without
utilizing soil or an aggregate medium.
Some modern farming methods
• Aquaponics: a closed-loop system that
relies on the symbiotic relationship
among aquaculture (fish) and agriculture
(plants) for fertilization.
• While fish waste accumulates in the
water and provides the nutrients essential
for plant growth, the plants naturally
clean the water.
• It provides a balanced, yet less
regimented, environment.
Some modern farming methods
• Hydroponics: method is a soil-less
type of farming because it requires no
soil for the plants to grow; essentially
involves growing healthy plants
without the use of a traditional soil
medium by using a nutrient like a
mineral-rich water solution instead.
Some modern farming methods
• Monoculture: This is the raising of a
single crop within a specified area.
• Many indoor farms growing medicinal
herbs and flowers are measured to be
monoculture farms.
Some modern farming methods
• Seed priming (Nitropriming):
controlled hydration and dehydration is
employed in seed by initiating the
process of germination, but the
protrusion of radicle is restricted.
• Seed priming ensures proper and
synchronized germination and seedling
development.
Seed priming (Nitropriming) (Cont’d)
• It is a method of protecting crop seeds
from various stresses, faced during
germination in field.
• Plants obtained from nitrate primed
seeds develop the capacity to tolerate
drought, heat, cold, submergence and
heavy metals stresses.
• This treatment also improves the quality
of produce.
Advances in Botany
In Plant/Agriculture and Food
Security
• Tissue culture techniques, which lead
to the production of new plants from
parts of plant tissue under carefully
controlled laboratory conditions.
• Plants are produced on large scale
{micropropagation}
In Plant/Agriculture and Food Security
• Use of genetic engineering techniques
in genetic modification of plants for
crop improvement.
• Genome editing of plants which has
enhanced plant-based chemical
production, increased food production
and maintain better nutritional value.
In Plant/Agriculture and Food Security
• DNA sequencing and genomic
information have been used to create
maps of the DNA in different plant
species.
• Gene molecular markers have been
developed and successfully applied in
diversity assessment using marker
assisted selection in
breeding activities of various
agricultural crops.
In Plant/Agriculture and Food Security
• DNA markers have also been used in
identifying and discriminating of
closely related cultivars, and can be
applied in assessing
taxonomic, phylogenetic relationships,
pedigree analysis and linkage mapping.
In Plant/Agriculture and Food Security
• Biofertilizers and organic amendments
such as arbuscular mycorrhizal fungi,
biochar and compost have been used to
improve the yield of crops and enhance
early maturing traits in plants.
• Planting on less land naturally require
less use of pesticides and reduce toxic-
specific insect pest and disease through
the application of plant extract used as
biopesticides, biofungicides.
In Plant/Agriculture and Food Security
• Drought-resistant plants that require
fewer environmental resources such as
water can be improved
biotechnologically through selection
breeding.
In Sustainable Use of Natural
Resources and terrestrial Ecosystem
• Environment, housing, urban and
regional development.
• Plants adapt to environmental stress
and Climate change.
• Increased environmental conservation
and sustainability.
In Sustainable Use of Natural Resources
and terrestrial Ecosystem
• Through breeding and biotechnology,
plants adapt by reducing carbon dioxide
(CO2) emission from farming process and
reducing toxic chemical pollution,
greenhouse and gas emission.
• These help farmers to adopt more
sustainable practices such as reduced
tillage which decrease the burning of fossil
fuels and retain more carbon in the soil.
In industry, innovation and Infrastructure
• Stems, leaves and roots of medicinal
plants have been used to synthesize
drugs in pharmaceutical industry for
health care delivery.
• Plants and plant products in form of
food crops, tree crops are useful in
processing of foods and beverages in
industries.
In industry, innovation and Infrastructure
• Plants are useful in construction
industries.
• Paper, textile and plastic industries have
also benefited from plant products.
Advances in Computer Science
• The 21st century has been marked with
many advances and innovations cross
the various fields of science and
technology.
• Computer Science is a logical and
replicable field that uses the principles
of science and technology to provide
innovations and advances that affect the
way we live, move, eat, teach, diagnose
diseases etc.
Advances in Computer Science
Advances in Computer Science that
affect sustainable development include:
• Artificial Intelligence (AI) and
Robotics
• Bog data analytics,
• Computer-assisted education,
• Bioinformatics
• Cybersecurity amongst others.
Artificial Intelligence (AI) and Robotics
• This is the simulation of natural
intelligence by computers and
machines.
• AI allows machines to react to objects,
move objects, and decide on the next
thing to do based on several inputs.
• The use of machines to replicate
human behavior is known as Robotics.
Advances in Computer Science
• Robots are no longer mechanical but
are electro-mechanical using the
simulated intelligence of humans to
operate in the real world.
• A lot of developments is still ongoing.
Big Data Analytics
• This is the use of statistics to interpret
large datasets that have been acquired
by organizations over time.
• The inadequacy of statistics led to the
development of new tools and
technologies to handle large data from
sources such as hospitals, banks and
schools.
Big Data Analytics
• The aim of data analytics is to allow
personalization and improvement of
services.
Computer-assisted Education
• This is the use of computers to mediate
in learning, serve as a teaching tool and
provide resources for teaching and
learning.
• The use of computers has allowed many
approaches to teaching and learning to
be tried out. Computers have given
many more people access to education
such as disabled people and rural
dwellers.
Bioinformatics
• This is the use of programmes and
software to build large datasets of
biological information for research
purposes.
• Bioinformatics helps medical
researchers, pharmaceutical companies
to reduce the time and resources
needed to work on challenges
associated with human and animals.
Cybersecurity
• This is the protection of digital assets
such as financial records, medical
records, usernames, and passwords
from attacks.
• A lot of transactions are carried out
online with various security
mechanisms developed to ensure
privacy and confidentiality.
Cybersecurity
• Cybersecurity is being implemented
with complex encryption techniques,
block chain technology amongst
others.
Advances in Mathematical Science
• Mathematics no doubt has also played
a major role in the above advances
elucidated in Computer Science
because both are interrelated.
• The aspect of number theory that is
involved in building cryptosystem to
ensure security of information, money
transfer,
Advances in Mathematical Science
in communication, wired or wireless,
graph theory, a very interesting part of
mathematics has proven very useful.
• Mathematical algorithms are used to
recover some lost details such as
graphics or some other sort of
information.
Advances in Mathematical Science
• These mathematical theories have been
the main pivot in security systems and
communication networking (Cyber and
Information Security).
• Recent developments of image
processing machines ranging from
measuring heart rate to getting signals
about undesired growth in the internal
part of the body have been linked to the
use of mathematical theories.
Advances in Mathematical Science
• Through mathematics, scientists and
engineers can now collaboratively
build machines to recognize faces,
voices and such similar fuzzy variables
helping to fight crimes (image and
pattern recognition).
Advances in Physics
• Physics, in particular, is impacting
concerted efforts worldwide at delivering
goals; especially as regards affordable
and clean energy; industry, innovation
and infrastructure; sustainable cities and
communities; and efforts to stop global
warming; that is, goals seven, nine,
eleven and twelve, respectively.
Advances in Physics
• Solid state physics research include
photovoltaic (solar) cells
• Higher power conversion efficiencies
were attained through research on these
photovoltaic (PV) cells for enhanced
harvesting of solar energy and efficient
conversion into electricity.
Advances in Physics
• Increasing stability and durability of
PV cells are also of paramount interest,
leading to advances in floating PV
panels amid increasing interest in
offshore solar due to ever decreasing
availability of land space due to
deforestation and habitation.
Advances in Physics
• Consequently, a lot of physics research
on renewable energy is concentrated on
new perovskite materials, carbon
nanotubes and nanophotonics crystals for
cheaper clean energy and on green
hydrogen as renewable fuel, which is
projected to reach the scale of oil and gas
but ecofriendly with very low emissions.
Advances in Physics
• Advances in solid earth physics include
improved methods of exploration of
leachate migration and other
contaminants of accessible potable
water for sustainable cities and
communities.
Advances in Physics
• Advances in atmospheric/
meteorological data mining and
analysis are being achieved in
atmospheric physics research in studies
to improve weather forecasting and
monitoring of climate change, for
sustainable cities.
Advances in Physics
• Moreso in studies of ozone layer
depletion and other precursors, as well
as measurable impacts, of global
warming to further enhance focused
activities and warnings to stop it.
Advances in Physics
• Research in radiation and health
physics are tailored to monitor and
sensitise people to safety radiation
levels as well as potential radiation
hazards.
• Many advances have been made in
increasing the areas and scope of
radiological assessment all over
Nigeria.
Advances in Physics
• With the recent fear of radiation
hazards of proposed upgrade of
telecommunication networks from 4G
to 5G a lot of research interest in
radiation and health physics are
focused on studying its potential
radiation hazards.
Advances in Chemical Science
• Chemistry has played an important role
in attaining sustainable development in
the following areas:
• Energy use: Use of renewable energy
like solar energy and wind energy
which reduces dependence on fossil
energy which pollutes and create
damage to environment.
Advances in Chemical Science
• Efficient waste treatment technologies
in industrial and agricultural
production etc.
• Production of nanomaterials (e.g.
nanotubes) for drug delivery and other
industrial purposes.
Advances in Chemical Science
• Syntheses of new efficient catalysts for
important reactions which lead to
generation of new materials for
sustainable development.
• Manufacture of environmentally
friendly herbicides and pesticides has
ensured sustainability of agricultural
products for all.
Advances in Chemical Science
• Essential medicines: Discovery of
new improved drugs with little or no
side effects has improved greatly the
life span of human beings and their
general welfare like the new drug,
Remdesivir under trial in the treatment
of the pandemic COVID-19.
Advances in Chemical Science
• Water and waste management resulting
in new household water purification
devices while minimizing waste and
pollution.
• Through advances in packaging
materials, the shelf life of food is
extended while maintaining food
quality and safety.
Advances in Chemical Science
• Many pharmaceuticals effective in
fighting infectious and non-infectious
diseases have been derived by chemists
while new vaccines and drugs for
currently incurable diseases, „nanobots‟
for drug delivery and sensors for
disease diagnosis are being made
available.
Advances in Chemical Science
• Green chemistry has been exploring
catalytic processes for light harvesting
towards hydrogen production and
carbon dioxide fixation to avoid
environmental pollution.
Advances in Chemical Science
• To provide the society with adequate
clean water, advances include
disinfectants that kill germs and
prevent disease, polymer membrane
filters that remove impurities, thermal
desalination by solar panels and
materials for pipes that protect water,
from its source to the tap.
Advances in Chemical Science
• Use of cleaner and alternative fuels,
solar cells, lithium ion batteries,
advanced biofuels, more cost-effective
materials for solar panels provide end-
user products for a low-carbon society.
Advances in Chemical Science
• Chemistry is using technologies to
produce a host of materials from
lightweight auto parts, to energy-
efficient windows, doors, lighting and
insulation, to lightweight packagings,
polymers, plastics, semiconductors and
solid-state display devices.
Advances in Geoscience
• With modern scientific innovations in
geosciences, technologically savvy
professionals now use computer
applications and software in several
facets of geoscience including hydro-
geology, engineering geology,
petroleum exploration, and
environmental impact assessment of
geological activities.
Advances in Geoscience
Development of high resolution high
tech equipment, supported by high Giga
to Terra byte computing software has led
to:
• improved accuracy in the search for the
earth‟s resources which in turn saves
cost,
Advances in Geoscience
• improved understanding of the origin,
mode of transportation, storage,
exploration and management of
groundwater resources,
Advances in Geoscience
• identification and development of
mineral resources such as iron ores for
the production of metals, rock
aggregates for engineering works such
as building and road construction,
discovery of gemstones, exploration
and exploitation of petroleum resources
as a source of energy,
Advances in Geoscience
• development of alternative energy
sources such as nuclear, geothermal,
solar, wind, biomass etc.
Advances in Microbiology
• Conversion of wastes to value-added
products using biotechnological
approaches involving the utilization of
microorganisms and their metabolites
e.g. production of biogas (methane)
from wastes generated from
households, agricultural and industrial
settings.
Advances in Microbiology
• The use of Escherichia coli in the
amplification of the gene encoding the
production of insulin via the process of
cloning thus helping in saving the
lives of patients suffering from diabetes
and other related diseases.
Advances in Microbiology
• The development of gene-amplifying
PCR machine which is currently the
surest way to confirm the presence of
the causative agent of COVID-19 (a
virus) in an infected individual and the
serological method used in the
screening for COVID-19 are some of
the advances in Microbiology.
Advances in Microbiology
• Many microorganisms are being
employed in the partial or complete
production of food and other food
products.
Advances in Microbiology
• Most fermented beverages, condiments and
other fermented food products are products
of microbial fermentation processes, where
organisms such as the lactic acid bacteria
(LAB), Bacillus spp., Saccharomyces
cerevisiae (a yeast) have played a major part
in enhancing the nutritive and organoleptic
properties of food, in addition to enhancing
the shelf lives of such products and give
health to mankind.
CONCLUSION
• Harnessing and maximizing the
potential of science and technological
innovation can help in meeting
sustainable development goals.
• Sustainable development depends on the
actions of and cooperation between all
stakeholders.
CONCLUSION (Cont’d)
• These include governments, civil
society, academia, technologists and of
course the private sector.
• The question now remains: Is Africa
prepared to contribute to sustainable
development using the advancement of
science and technology?
CONCLUSION (Cont’d)
• From 2007 to 2013, the Asia-Pacific
region‟s share of world expenditure on
science and technology research and
development rose from 36% to 44%;
Africa had 1% (ESC report, 2016).
CONCLUSION (Cont’d)
• The Asia-Pacific region is home to some
of the most technologically advanced
economies in the world.
In contrast, Africa is still grappling
with injustice, insecurity, conflicts
and hunger.
Acknowledgement
• I acknowledge the contributions of the
following staff of the Faculty of Science,
University of Ibadan, Ibadan to this
write-up: Drs A. O. Adekanmbi,
Temitope E. Olalekan, E. A. Orijieme,
O. E. Oyewande, B. O. Onasanya, C. G.
Udomboso, F. J. Ayoola, O. Osunade, O.
J. Olawuyi, O. A. Boboye, A. A.
Sobowale and Pastor O. A. Ayodele.
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I thank you all for listening