Efectos del calentamiento global y sus causas (los 10 mayores) Traducido al español

16 03 2011

Global Warming Effects and Causes: A Top 10 List

June 7, 2009 in Global Warming

Global Warming Effects and Causes One of the biggest issues facing us right now is global warming. Its effects on animals and on agriculture are indeed frightening, and the effects on the human population are even scarier. The facts about global warming are often debated, but unfortunately, even if we disagree about the causes, global warming effects are real, global, and measurable. The causes are mainly from us, the human race, and the effects on us will be severe.

Global Warming Effects and Causes: A Top 10 List

global warming causes

1. Global Warming Cause: Carbon dioxide emissions from fossil fuel burning power plants

Our ever increasing addiction to electricity from coal burning power plants releases enormous amounts of carbon dioxide into the atmosphere. 40% of U.S. CO2 emissions come from electricity production, and burning coal accounts for 93% of emissions from the electric utility industry [EPA, pg. 10]. Every day, more electric gadgets flood the market, and without widespread alternative energy sources, we are highly dependent on burning coal for our personal and commercial electrical supply.

global warming causes

2. Global Warming Cause: Carbon dioxide emissions from burning gasoline for transportation

Our modern car culture and appetite for globally sourced goods is responsible for about 33% of emissions in the U.S. [EPA pg. 8] With our population growing at an alarming rate, the demand for more cars and consumer goods means that we are increasing the use of fossil fuels for transportation and manufacturing. Our consumption is outpacing our discoveries of ways to mitigate the effects, with no end in sight to our massive consumer culture.

global warming causes

3. Global Warming Cause: Methane emissions from animals, agriculture such as rice paddies, and from Arctic seabeds

Methane is another extremely potent greenhouse gas, ranking right behind CO2. When organic matter is broken down by bacteria under oxygen-starved conditions (anaerobic decomposition) as in rice paddies, methane is produced. The process also takes place in the intestines of herbivorous animals, and with the increase in the amount of concentrated livestock production, the levels of methane released into the atmosphere is increasing. Another source of methane is methane clathrate, a compound containing large amounts of methane trapped in the crystal structure of ice. As methane escapes from the Arctic seabed, the rate of global warming will increase significantly.

global warming causes

4. Global Warming Cause: Deforestation, especially tropical forests for wood, pulp, and farmland

The use of forests for fuel (both wood and for charcoal) is one cause of deforestation, but in the first world, our appetite for wood and paper products, our consumption of livestock grazed on former forest land, and the use of tropical forest lands for commodities like palm oil plantations contributes to the mass deforestation of our world. Forests remove and store carbon dioxide from the atmosphere, and this deforestation releases large amounts of carbon, as well as reducing the amount of carbon capture on the planet.

global warming causes

5. Global Warming Cause: Increase in usage of chemical fertilizers on croplands

In the last half of the 20th century, the use of chemical fertilizers (as opposed to the historical use of animal manure) has risen dramatically. The high rate of application of nitrogen-rich fertilizers has effects on the heat storage of cropland (nitrogen oxides have 300 times more heat-trapping capacity per unit of volume than carbon dioxide) and the run-off of excess fertilizers creates ‘dead-zones’ in our oceans. In addition to these effects, high nitrate levels in groundwater due to over-fertilization are cause for concern for human health.

global warming effects

6. Global Warming Effect: Rise in sea levels worldwide

Scientists predict an increase in sea levels worldwide due to the melting of two massive ice sheets in Antarctica and Greenland, especially on the East coast of the U.S. However, many nations around the world will experience the effects of rising sea levels, which could displace millions of people. One nation, the Maldives, is already looking for a new home, thanks to rising sea levels.

global warming effects

7. Global Warming Effect: More killer storms

The severity of storms such as hurricanes and cyclones is increasing, and research published in Nature found:

“Scientists have come up with the firmest evidence so far that global warming will significantly increase the intensity of the most extreme storms worldwide. The maximum wind speeds of the strongest tropical cyclones have increased significantly since 1981, according to research published in Nature this week. And the upward trend, thought to be driven by rising ocean temperatures, is unlikely to stop at any time soon.”

global warming effects

8. Global Warming Effect: Massive crop failures

According to recent research, there is a 90% chance that 3 billion people worldwide will have to choose between moving their families to milder climes and going hungry due to climate change within 100 years.

“Climate change is expected to have the most severe impact on water supplies. “Shortages in future are likely to threaten food production, reduce sanitation, hinder economic development and damage ecosystems. It causes more violent swings between floods and droughts.”” – Guardian: Global warming causes 300,000 deaths a year

global warming effects

9. Global Warming Effect: Widespread extinction of species

According to research published in Nature, by 2050, rising temperatures could lead to the extinction of more than a million species. And because we can’t exist without a diverse population of species on Earth, this is scary news for humans.

“Climate change now represents at least as great a threat to the number of species surviving on Earth as habitat-destruction and modification.” Chris Thomas, conservation biologist at the University of Leeds

global warming effects

10. Global Warming Effect: Disappearance of coral reefs

A report on coral reefs from WWF says that in a worst case scenario, coral populations will collapse by 2100 due to increased temperatures and ocean acidification. The ‘bleaching’ of corals from small but prolonged rises in sea temperature is a severe danger for ocean ecosystems, and many other species in the oceans rely on coral reefs for their survival.

“Despite the oceans’s immensity — 71 per cent of the Earth’s surface with an average depth of almost 4km (2½m) — there are indications that it is approaching its tipping point. For reefs, warming waters and acidification are closing in like a pair of jaws that threaten to make them the first global ecosystem to disappear.” – Times Online: 21st-century Noah’s Ark needed to save coral reefs from extinction

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traducción del inglés al español

Efectos del Calentamiento Global y sus causas: los 10 mejores
141 comentarios de 07 de junio 2009 en el calentamiento global.
Uno de los mayores problemas que enfrentamos ahora es el calentamiento global. Sus efectos sobre los animales y la agricultura son realmente aterradores, y los efectos sobre la población humana son aún más temibles. Los hechos sobre el calentamiento global se han debatido, pero, por desgracia, incluso si no estamos de acuerdo acerca de las causas, los efectos del calentamiento global es real y global, y mensurables. Las causas son principalmente de nosotros, la raza humana, y los efectos sobre nosotros será grave.
Efectos del Calentamiento Global y sus causas: los 10 mejores

1. Calentamiento Global Causa: las emisiones de dióxido de carbono de las plantas eléctricas que queman combustibles fósiles

Nuestra adicción cada vez más a la electricidad de las plantas energéticas que queman carbón libera enormes cantidades de dióxido de carbono a la atmósfera. 40% de las emisiones de CO2 proceden de EE.UU. la producción de electricidad, y las cuentas de la combustión del carbón el 93% de las emisiones de la industria eléctrica de utilidad de la EPA [, pág. 10]. Cada día, los gadgets más eléctrico inundar el mercado, y sin generalizada de fuentes alternativas de energía, que son altamente dependientes de la quema de carbón para nuestro suministro eléctrico personales y comerciales.

2. Calentamiento Global Causa: las emisiones de dióxido de carbono de la quema de gasolina para el transporte

Nuestra cultura moderna del automóvil y el apetito de los bienes a nivel mundial de origen es responsable de aproximadamente el 33% de las emisiones en la pág EE.UU. [EPA. 8] Con nuestra población crece a un ritmo alarmante, la demanda de más automóviles y bienes de consumo significa que estamos aumentando el uso de combustibles fósiles para el transporte y la fabricación. Nuestro consumo está superando nuestros descubrimientos de medios para mitigar los efectos, sin final a la vista de nuestra cultura de consumo masivo.

3. Calentamiento Global Causa: Las emisiones de metano de los animales, la agricultura, tales como los arrozales, y de los fondos marinos del Ártico

El metano es otro gas de efecto invernadero muy potente, a la derecha de clasificación detrás de CO2. Cuando la materia orgánica es degradada por bacterias en condiciones de deficiencia de oxígeno (la descomposición anaeróbica) como en los arrozales, el metano es producido. El proceso también se lleva a cabo en los intestinos de animales herbívoros, y con el aumento en la cantidad de la producción ganadera concentrada, los niveles de metano en la atmósfera está aumentando. Otra fuente de metano es clatratos de metano, un compuesto que contiene grandes cantidades de metano atrapado en la estructura cristalina del hielo. Como el metano se escapa de los fondos marinos del Ártico, la tasa de calentamiento global aumentará considerablemente.

4. Calentamiento Global Causa: La deforestación, especialmente los bosques tropicales de madera, pulpa, y las tierras agrícolas

El uso de los bosques como combustible (madera y el carbón vegetal) es una de las causas de la deforestación, pero en el primer mundo, nuestro apetito por los productos de madera y papel, nuestro consumo de ganado pastaban en las tierras forestales anteriores, y el uso de las tierras forestales tropicales de los productos básicos como las plantaciones de aceite de palma contribuye a la deforestación masiva de nuestro mundo. Bosques quitar y almacenar el dióxido de carbono de la atmósfera, y esta deforestación libera grandes cantidades de carbono, así como la reducción de la cantidad de captura de carbono en el planeta.

5. Calentamiento Global Causa: Aumento en el uso de fertilizantes químicos en las tierras de cultivo

En la última mitad del siglo 20, el uso de fertilizantes químicos (en comparación con el uso histórico de estiércol animal) ha aumentado dramáticamente. La alta tasa de aplicación de fertilizantes ricos en nitrógeno-tiene efectos sobre el almacenamiento de calor de las tierras de cultivo (óxidos de nitrógeno tienen una capacidad 300 veces mayor que atrapan el calor por unidad de volumen que el dióxido de carbono) y el escurrimiento del exceso de fertilizantes crea ‘zonas muertas en nuestros océanos. Además de estos efectos, los niveles elevados de nitratos en las aguas subterráneas debido a la sobre-fertilización son motivo de preocupación para la salud humana.

6. Calentamiento Global Efecto: Aumento de los niveles del mar en todo el mundo

Los científicos predicen un aumento del nivel del mar en todo el mundo debido a la fusión de dos enormes placas de hielo en la Antártida y Groenlandia, especialmente en la costa este de los EE.UU. Sin embargo, muchas naciones en todo el mundo va a experimentar los efectos de los crecientes niveles del mar, lo que podría desplazar a millones de las personas. Una nación, las Maldivas, ya está buscando un nuevo hogar, gracias a los niveles del mar.

7. Efectos del Calentamiento Global: Más tormentas asesinas

La severidad de las tormentas como huracanes y ciclones va en aumento, y que se encuentran la investigación publicada en Nature:

“Los científicos han llegado a la más firme evidencia hasta ahora que el calentamiento global incrementará significativamente la intensidad de las tormentas en todo el mundo más extremas. La velocidad máxima del viento de los más fuertes ciclones tropicales han aumentado significativamente desde 1981, según la investigación publicada en la revista Nature de esta semana. Y la tendencia al alza, cree que es impulsado por el aumento de las temperaturas del océano, es poco probable que parar en cualquier momento pronto. “

8. Calentamiento Global Efecto: fallas masivas de cultivos

De acuerdo con investigaciones recientes, hay una probabilidad del 90% que 3 millones de personas en todo el mundo tendrá que elegir entre el movimiento de sus familias a climas más suaves y pasan hambre debido al cambio climático dentro de 100 años.

“El cambio climático se espera que tenga el impacto más severo en los suministros de agua. “La escasez en el futuro se puedan poner en peligro la producción de alimentos, reducir el saneamiento, obstaculizan el desarrollo económico y dañan los ecosistemas. Provoca cambios más violentos entre las inundaciones y sequías “” – The Guardian:. El calentamiento global provoca 300 mil muertes al año

9. Efectos del Calentamiento Global: la extinción generalizada de especies

Según la investigación publicada en Nature, en 2050, aumento de las temperaturas podría dar lugar a la extinción de más de un millón de especies. Y porque no puede existir sin una población diversa de especies en la Tierra, esto son malas noticias para los seres humanos.

“El cambio climático representa en la actualidad, como mínimo, una amenaza para el número de especies que sobreviven en la Tierra como hábitat, la destrucción y modificación.” Chris Thomas, biólogo conservacionista de la Universidad de Leeds

10. Efectos del Calentamiento Global: La desaparición de los arrecifes de coral

Un informe sobre los arrecifes de coral de WWF dice que en el peor de los casos, las poblaciones de coral se colapsará en 2100 debido al aumento de las temperaturas y la acidificación de los océanos. El “blanqueamiento” de los corales de pequeños aumentos, pero prolongado en la temperatura del mar es un grave peligro para los ecosistemas marinos, y muchas otras especies en los océanos dependen de los arrecifes de coral para su supervivencia.

“A pesar de la inmensidad de los océanos – el 71 por ciento de la superficie de la Tierra con una profundidad media de casi 4km (2 ½ m) – hay indicios de que se está acercando a su punto de inflexión. Para los arrecifes, calentamiento de las aguas y la acidificación se están cerrando como un par de mandíbulas que amenazan con hacer que el primer ecosistema mundial a desaparecer “- Times Online:. Arca de Noé del siglo 21 que se necesita para salvar a los arrecifes de coral en peligro de extinción

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