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Showing posts with label record. Show all posts
Showing posts with label record. Show all posts

VIVAnews -according to the report of the International Energy Agency (IEA), an international observer in the related resources of energy policy, emissions of carbon dioxide that is fossil fuel combustion is the highest figure recorded in the year 2010.

Note that undermines the ideals of the international world of global temperature increases to limits of up to 2 degrees Celsius.

"According to recent measurements, the emission of carbon dioxide (CO2) associated energy in 2010 is the highest throughout its history," call Fatih Birol, IEA Chief Economist, was quoted as saying Independent, of 31 May 2011.

The IEA noted, after experiencing decline in 2009 then caused by the global financial crisis, the amount of emissions is estimated to have soared to 30 gigatonnes (Gt). It is a leap of 5 percent compared to the previous record held by the year 2008. When that global CO2 emissions total reached 29.3 gigatonnes.

Further, the IEA estimates that about 80 per cent of emissions from the energy sector in the year 2020 is already certain. The reason, the moment a number of power plants has already begun construction.

"The significant increase of CO2 emissions and emissions certainty due to the presence of additional investment in the field of infrastructure represent a serious setback to the hopes of limiting the temperature rise in the US global to stay under 2 degrees Celsius," Birol said.

As the informed, last year, at the UN Conference on climate change in Cancun, Mexico, world leaders had agreed to limit global temperature increases, with only a maximum of 2 degrees Celsius.

In order for this target is achieved, the long-term concentration of greenhouse gases in the atmosphere should be restricted to about 450 parts per million or should only be up 5 percent compared to a total of 430 parts per million in 2000.

In addition, IEA mengkalkulasikan, in order to attain such level, based on agreed emission target countries to 2020, the global energy-related emissions must not be greater than 32 Gt. to that end, the increase in emissions over the next 10 years should be under the total emissions in 2009-2010.

"Our final Findings is a warning sign. The world is getting close to the level of emissions that should not be achieved before the year 2020 if it is to achieve the target, "Birol said. "See the lack of space is left, if there are no major decisions and determine which created, then it is extremely difficult to achieve the targets set in Cancun," he said.

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VIVAnews -ozone layer is the layer which serves as the shield that protects life on Earth from harmful ultraviolet radiation. In recent weeks, unusual weather conditions have resulted in the depletion of the ozone layer in the Arctic region. Thinning of the times this happens is the worst.

As the informed, the concentration of ozone continue to be monitored by international agencies since the signing of the Montreal Protocol in 1987, which determines the boundaries of the production of chemical compounds, halocarbon containing chlorine and bromine and cause damage to the ozone in the stratosphere.

This time, according to researchers from Laboratorie Atmospheres, Milieux, Observation Spatiales, France, at the end of last March, the loss of the ozone layer has reached about 40 percent.

Quoted from Science Daily, April 11, 2011, the phenomenon of depletion of the ozone layer due to the extreme cold temperatures and winter stratosferik the length of which resulted in the destruction of ozone significantly. This condition is expected to continue until the spring.

As known, the destruction of ozone in the stratospheric polar moment of area occurred at temperatures down to the bottom of-80 degrees Celsius. At this temperature, clouds formed in the bottom of the stratospheric. Chemical reaction inside the compound of halocarbon kemundian change (which is not harmful to the ozone) being active compounds. The process leading to the destruction of ozone when sunlight illuminates the poles.

The ozone hole in Antarctica ' phenomenon ' is always going on there because the air temperature in the stratospheric polar South was very low in winter. However in the Arctic, on average, the temperature generally warmer.

Without the Montreal Protocol, ozone damage this year may be more severe. During the concentration of chlorine and bromine in the startosfir remains high, the thinning of the ozone layer, as this will return the kamili o. present in winter very extreme at the North Pole.

Of the trial, the researchers estimated, the new ozone layer could recover to the levels before the year 198 's in about the year 2045 until 2060 upcoming in North and South Pole around one or two decades earlier at the North Pole.

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