Sustainability Lecture 3- Becky Flashcards
what is SDG 2
zero hunger by 2030
what affects food security?
utilisation
availability
access
Stability
what does GEC stand for
Global Envrionmental Change
name some characteristics of current modern farming practices
Intensive arable agriculture (“conventional farming”)
Maximise yields relative to land use and costs
Homogenous landscapes with low crop-diversity, and high use of fertilisers, agrochemicals, and irrigation
Concentration of environmental impacts at local scale
Current food system responsible for ~30% of greenhouse gas emissions (including CH4 from ruminants and N2O from fertilisers)
how could the global diversity in farm systems be described?
Not all intensive large-scale farming
Mixed farming
Nomadic pastoralism
Shifting cultivation
Organic farming
Agroforestry
what is subsistence farming?
A plot of land produces only enough food to feed those who work it—little or nothing produced for sale or trade
T/F subsistence farm produces most food in developing countries
T
name some developmental issues of subsistence farming
local rights, infrastructure, rural incomes, empowering women
How might existing knowledge and future technological advances sustainably increase production?
Examples from using new pesticides in intensive agriculture, to intensifying the use of indigenous knowledge in local farming practices
how does GPS allow for accurate land management?
Enables farmers to apply fertilizers and harvest crops with great precision
what are GMOs
Genetically Modified Crops/ organisms
what are 3 elements of climate-smart agriculture
increasing agricultural productivity and incomes
adapting and building resilience to climate change
mitigation of greenhouse gas emissions
why has climate-smart agriculture been criticized?
for justifying nearly any form of agriculture and for not addressing inequalities in production and distribution
what does climate-smart agriculture do?
Increase input efficiency
* Change management practices
* Carbon sequestration
* Waste reduction
* On-farm energy production
what defines precision farming?
Technologies that allow application of water, nutrients, pesticides to the places and at the times they are required
Reduces inputs and environmental impacts
Examples of precision farming?
Include measuring, modelling, and responding to site-specific data, including weather forecasts, soil properties, soil water content, pests, and weeds
From GPS, robotics, and drones, to low-tech measures such as using bottle caps for applying fertiliser to individual plants
what would create a sustainable food system?
increased supply
improved efficiency
reduced environmental impacts
what things must a sustainable food system consider?
economic
social
environmental issues
and tradeoffs between biodiversity and food production
what are 3 principle of the sustainable development of agriculture and for Sustainable intensification
A frozen agricultural land footprint
Reduced environmental impacts
Increased yields (where possible)
what does SI stand for (in terms of food security)
Sustainable intensification
what techniques does SI involve?qCould
Could incorporate innovations from biotechnology, precision farming, agroecology, organic farming and socio-economics…
what are the aims fo SI
environmentally sustainable, equitable, productive and resilient ecosystems that improve the well-being of farms, farmers and families
is SI a policy goal or set trajectory?
policy goal
so must operate within broader governance frameworks
why shouldn’t intensification of farming not be confused with intensive farming?
Agricultural land is managed to maximize outcomes across economic, environmental, and social dimensions
Genuinely radical if taken seriously
it is not business- as usual with marginal improvements in environmental impact
name 5 ideas that will help create a sustainable food system together
1 SI
2 demand management
3 governance of land, markets, access, livelihoods, food and utilisation
4 family planning
5 reduction of food waste and loss
other than focussing on food production, how can we improve sustainability of food security?
change diet
reduce waste
moderate demand
improve governance
to integrate socio-economic factors: policy, equity, and diversity
what is regenerative farming?
Refers to farming that uses soil conservation to regenerate and deliver ecosystem services, and to enhance the environmental, social and economic aspects of food production
Use of practices such as cover crops, crop rotations, minimal tillage, organic compost, agroforestry and crop-livestock integration (also associated with organic farming and agroecology).
the 5 principles of regenerative farming?
- minimise soil disruption
- keep soil covered with plants
- plant diverse crops
- no synthetic chemicals
- planned grazing
how does no-tilling support regenerative farming?
allows co2 and h20 to remain in the ground
for regenerative farming to be sustainable, what do we need to do?
need to reduce demand/limit consumption
And therefore reduce pressure on land
Requires radical social change (e.g. in trade and governance)