Comparative analysis of environmental impacts of agricultural production systems, agricultural input efficiency, and food choice
نویسندگان
چکیده
منابع مشابه
Comparative analysis of environmental impacts of agricultural production systems, agricultural input efficiency, and food choice
Global agricultural feeds over 7 billion people, but is also a leading cause of environmental degradation. Understanding how alternative agricultural production systems, agricultural input efficiency, and food choice drive environmental degradation is necessary for reducing agriculture’s environmental impacts. A meta-analysis of life cycle assessments that includes 742 agricultural systems and ...
متن کاملAgricultural production systems and environmental health.
By the turn of the century, American farmers and ranchers will be producing food and fiber through the application of highly sophisticated systems that involve a broad spectrum of relevant factors--from soil type, to options for fertilizer and pesticide use, to markets and other economic information. These systems will help farmers and ranchers better match land use to land capability, apply ne...
متن کاملAgricultural legacies, food production and its environmental consequences.
N ear the end of Proust’s famous novel Remembrance of Things Past, the protagonist at last comes to understand that a person’s present can only be understood in the context of their past. In PNAS, Sattari et al. (1) remind us the same is true for ecosystems. Focusing on the present and future of agriculture, the authors argue that a legacy of excess fertilizer use has caused soil phosphorus (P)...
متن کاملIncreasing agricultural water use efficiency to meet future food production
With the world’s population set to increase by 65% (3.7 billion) by ∼2050, the additional food required to feed future generations will put further enormous pressure on freshwater resources. This is because agriculture is the largest single user of fresh water, accounting for ∼75% of current human water use. At present ∼7% of the world’s population live in areas where water is scarce. This is p...
متن کاملa comparative pragmatic analysis of the speech act of “disagreement” across english and persian
the speech act of disagreement has been one of the speech acts that has received the least attention in the field of pragmatics. this study investigates the ways power relations, social distance, formality of the context, gender, and language proficiency (for efl learners) influence disagreement and politeness strategies. the participants of the study were 200 male and female native persian s...
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ژورنال
عنوان ژورنال: Environmental Research Letters
سال: 2017
ISSN: 1748-9326
DOI: 10.1088/1748-9326/aa6cd5