how does climate change affect food sustainability?
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Climate change can disrupt food availability, reduce access to food, and affect food quality. For example, projected increases in temperatures, changes in precipitation patterns, changes in extreme weather events, and reductions in water availability may all result in reduced agricultural productivity.
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Climate change can alter where species live, how they interact, and the timing of biological events, which could fundamentally transform current ecosystems and food webs. Climate change can overwhelm the capacity of ecosystems to mitigate extreme events and disturbance, such as wildfires, floods, and drought.
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The good and bad of farming. Agriculture is extremely vulnerable to climate change, but it also produces about 14% of the world's greenhouse gas emissions. There is consensus that climate change will have a significant impact on agriculture in developing countries.
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Reducing poverty requires ecological and resource sustainability. Increased food production will exacerbate land degradation, greenhouse gas emissions and biodiversity loss unless production methods and consumption patterns become more sustainable.
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Global climate change could disrupt the global conveyer belt, causing potentially drastic temperature changes in Europe and even worldwide. The global conveyor belt is a strong, but easily disrupted process. Research suggests that the conveyor belt may be affected by climate change.
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A bidirectional relationship mediated via the food system exists between environmental sustainability (ES) and public health nutrition (6). The structure and operation of the food system influences the use of finite natural resources and the production of environmental waste (7).
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Climate change and its related impacts, such as ocean acidification, are affecting the survival of some marine species. ... Conserve: campaign to prevent the pollution of a local coastal environment or reduce use of plastics so that less of it ends up in our oceans.
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Climate change has both direct and indirect effects on agricultural productivity including changing rainfall patterns, drought, flooding, and the geographical redistribution of pests and diseases. Conflict can arise when natural resources are not equitably managed.
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Climate change could alter ocean food chains, leading to far fewer fish in the sea. Climate change is rapidly warming the Earth and altering ecosystems on land and at sea that produce our food. ... But as this happens, it will change ocean circulation patterns and make ocean food chains less productive.
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Climate change could threaten these resources, as well as the goods and services they produce and the jobs and livelihoods of those who depend upon them. For example, climate change will likely affect farming communities, tourism and recreation, and the insurance industry.
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Climate change is affecting agricultural production in the Northeast. Heavy precipitation events can damage crops and wetter springs may delay planting, resulting in later harvest and reduced yields. Longer, drier summers may reduce water availability and increase plant heat stress, also reducing yields.
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Crop Changes. Climate change may actually benefit some plants by lengthening growing seasons and increasing carbon dioxide. Yet other effects of a warmer world, such as more pests, droughts, and flooding, will be less benign. ... Under the HadGEM2 model, corn farmers will see crops decline by nearly 16 percent.
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Impacts. Humans and wild animals face new challenges for survival because of climate change. More frequent and intense drought, storms, heat waves, rising sea levels, melting glaciers and warming oceans can directly harm animals, destroy the places they live, and wreak havoc on people's livelihoods and communities.
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The biggest changes in the land carbon cycle are likely to come because of climate change. Carbon dioxide increases temperatures, extending the growing season and increasing humidity. Both factors have led to some additional plant growth. However, warmer temperatures also stress plants.
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The shift from country food to expensive, store-bought, and often unhealthy food items has had negative effects on Inuit health and cultural identity. Climate change can make this problem even worse. Food storage is also affected by warmer temperatures and thawing permafrost.
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Melting of polar icecaps, Increased frequency of droughts, hurricanes and cyclones and forest fires, Decreased availability of water in tropical areas, Increased crop yields, Climate change will have serious effects on world food production, Increasing CO₂ in the oceans and Genetic engineering research is ongoing to ...
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Climate change affects soil Continuing declines in soil moisture can increase the need for irrigation in agriculture and lead to smaller yields and even desertification, with potentially dramatic impacts on food production.