United says it is the first airline globally to use sustainable aviation biofuel on an ongoing daily basis and has sourced more than 2 million gallons since It claims responsibility for over half of the industry's current commitments to biofuel usage. To mark the flight, the airline said it was becoming the first US carrier to publicly pledge to reduce its greenhouse gas emissions by 50 per cent by from a level. United CEO Oscar Munoz said with rising fuel prices, the financial case for sustainability was clear.
Agriculture in Mexico It has been argued that "during the twentieth century two 'revolutions' transformed rural Mexico: Although the Mexican Revolution had broken the back of the hacienda system and land reform in Mexico had by distributed a large expanse of land in central and southern Mexico, agricultural productivity had fallen.
During the administration of Manuel Avila Camacho —46the government put resources into developing new breeds of plants and partnered with the Rockefeller Foundation.
Agriculture in Mexico had been a sociopolitical issue, a key factor in some regions' participation in the Mexican Revolution.
It was also a technical issue, enabled by a cohort of trained agronomists, who were to advise peasants how to increase productivity. This drive for agricultural transformation would have the benefit of keeping Mexico self-sufficient in food and in the political sphere with the Cold War, potentially stem unrest and the appeal of Communism.
In Mexico, it also served political ends, separating peasant agriculture based on the ejido and considered one of the victories of the Mexican Revolution, from agribusiness that requires large-scale land ownership, irrigation, specialized seeds, fertilizers, and pesticides, machinery, and a low-wage paid labor force.
New breeds of maize, beans, and wheat produced bumper crops with proper inputs such as fertilizer and pesticides and careful cultivation.
Many Mexican farmers who had been dubious about the scientists or hostile to them often a mutual relationship of discord came to see the scientific approach to agriculture as worth adopting.
Inone of the breeding lines became a new cultivarIR8. Annual rice production in the Philippines increased from 3. Green Revolution in India InIndia was on the brink of mass famine. Punjab was selected by the Indian government to be the first site to try the new crops because of its reliable water supply and a history of agricultural success.
India began its own Green Revolution program of plant breeding, irrigation development, and financing of agrochemicals.
De Datta published his findings that IR8 rice yielded about 5 tons per hectare with no fertilizer, and almost 10 tons per hectare under optimal conditions. This was 10 times the yield of traditional rice. IR8 was also developed into Semi-dwarf IR Wheat yields in least developed countries sincein kilograms per hectare.
In the s, rice yields in India were about two tons per hectare; by the mids, they had risen to six tons per hectare. Consultative Group on International Agricultural Research — CGIAR[ edit ] Infoundation officials proposed a worldwide network of agricultural research centers under a permanent secretariat.
CGIAR has added many research centers throughout the world. This began in the s, and mainly was a result of pressure from donor organizations. Brazil's agricultural revolution[ edit ] Brazil's vast inland cerrado region was regarded as unfit for farming before the s because the soil was too acidic and poor in nutrients, according to Norman Borlaug.
However, from the s, vast quantities of lime pulverised chalk or limestone were poured on the soil to reduce acidity.Monoculture keeps cost of production low, but it reduces biodiversity and negatively impacts the soil.; Large scale farming of animals increases their susceptibility to diseases such as Mad-cow disease and avian flu, for example.
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