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Food production systems worldwide may have to adapt radically to meet the rising global demand for food. Emerging approaches in the food sector include controlled-environment farming, alternative animal feeds, edible insects, and lab-cultured meat. This POSTnote considers these new technologies and summarises their respective advantages and limitations.
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Agriculture contributes 9% of the UK’s greenhouse-gas (GHG) emissions burden and 10-12% globally. Although there is a long-term declining trend from UK agriculture, the sector may account for a larger share of overall emissions in the future as other sectors reduce emissions. This POSTnote focuses on reducing GHG emissions from growing and storing arable and horticultural crops.
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Changing weather patterns have made structural defences less effective at managing flooding. An approach that employs a range of natural flood management measures across a river catchment is likely to reduce the probability of flooding and pressure on structural defences. This POSTnote describes the measures and the challenges of implementing them over large catchments.
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Insects play a critical role in ecosystems, but can also cause economic and social harm by transmitting diseases to humans and livestock, and damaging crops. Genetically modified (GM) insects could be used alongside other approaches to mitigate harms. This POSTnote summarises possible benefits, risks and uncertainties associated with their deployment.
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This note summarises the evidence on environmental and health impacts of GM crops, describes recent technological developments and examines their likely consequences for proposed reforms of GM regulation
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Water pollution regulation is devolved in the UK. Surface, coastal and ground waters in England suffer from significant pollution problems: 78% of surface and groundwater bodies fail to meet the ‘good’ ecological status prescribed by the EU Water Frameworks Directive. Pollution increases water treatment costs and adversely affects wildlife. Compared to treatment, preventing water pollution at source can have a cost-benefit ratio as high as 1:65. This POSTnote describes the contribution of agriculture to water pollution, and measures that can be taken to reduce it.
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World food security is dependent on phosphate fertilisers manufactured from finite deposits of phosphate ore. The majority of remaining reserves are restricted to a limited number of countries raising geopolitical risks. This POSTnote describes the uses of phosphate and summarises ways in which dependence on mineral reserves could be reduced.
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National and European regulations have improved UK ambient air quality. However, current air pollution levels continue to harm human health and the environment. This POSTnote summarises the evidence for effects of air pollutants and policies to address them
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This POSTnote examines current policy and prospects for further reductions in emissions.
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Disease causing bacteria are becoming increasingly resistant to antibiotic drug treatment. Diseases once controlled by antibiotics are re-emerging as serious risks to human health. This POSTnote outlines the hazards posed by resistant bacteria, the sources of resistance in the environment and measures that may reduce these risks globally.
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Pollination by insects enables the reproduction of flowering plants and is critical to UK agriculture. Insect pollinators have declined globally, with implications for food security and wild habitats. This POSTnote summarises the causes for the recent trends, gaps in knowledge and possible strategies for reversing pollinator decline.
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This POSTnote examines the use of vaccines and outlines the pros and cons of using vaccination in livestock.
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The use of genetically modified (GM) plants to produce pharmaceutical drugs and vaccines is an emerging technology that offers a low-cost, large-scale alternative to current methods. This POSTnote looks at recent advances in, and the benefits of, the technology, and analyses the associated biosafety and regulatory issues.
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The availability of water resources is fundamental for society and economic activities. This POSTnote describes the reasons for uncertainties in water resource availability for future supply and demand and possible responses to managing these risks in the medium term.
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This POSTnote explores two approaches to managing land for balancing nature conservation with sustainable food production. Land sharing integrates the objectives of agriculture and benefits to wildlife on the same land. Land sparing on the other hand separates intensive farming areas from protected natural habitats at larger scales.
Total results (page 7 of 10)