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Effects on plants caused by increasing atmospheric CO 2 and methane. Elevated atmospheric carbon dioxide affects plants in a variety of ways. Elevated CO 2 increases crop yields and growth through an increase in photosynthetic rate, and it also decreases water loss as a result of stomatal closing.
Climate change will affect agriculture and food production around the world. The reasons include the effects of elevated CO 2 in the atmosphere. Higher temperatures and altered precipitation and transpiration regimes are also factors. Increased frequency of extreme events and modified weed, pest, and pathogen pressure are other factors.
The environmental impact of agriculture involves impacts on a variety of different factors: the soil, water, the air, animal and soil variety, people, plants, and the food itself. Agriculture contributes to a number larger of environmental issues that cause environmental degradation including: climate change, deforestation, biodiversity loss ...
Climate-smart agriculture (CSA) (or climate resilient agriculture) is a set of farming methods that has three main objectives with regards to climate change. [1][2] Firstly, they use adaptation methods to respond to the effects of climate change on agriculture (this also builds resilience to climate change).
Farmers gathered in Italy to lament climate change's impact on their crops, and discuss climate-safe alternatives Industrial Farming Causes Climate Change. The ‘Slow Food’ Movement Wants to ...
Agriculture has an enormous environmental footprint, playing a significant role in causing climate change (food systems are responsible for one third of the anthropogenic greenhouse gas emissions), [3] [4] water scarcity, water pollution, land degradation, deforestation and other processes; [5] it is simultaneously causing environmental changes ...
Climate change and agriculture are complexly related processes. In the United States, agriculture is the second largest emitter of greenhouse gases (GHG), behind the energy sector. [ 1] Direct GHG emissions from the agricultural sector account for 8.4% of total U.S. emissions, but the loss of soil organic carbon through soil erosion indirectly ...
The "global land squeeze" for agricultural land [178] also has impacts on food security. [179] Likewise, effects of climate change on agriculture can result in lower crop yields and nutritional quality due to for example drought, heat waves and flooding as well as increases in water scarcity, [180] [181] pests and plant diseases.
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