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Global Warming

Are you up to the challenge?

Climate change is the single biggest threat to human civilisation in the 21st century. If we do not take decisive action to reduce our greenhouse gas emissions we will be responsible for irrevocable damage on the world that our children and grandchildren will inherit. Do we want that kind of legacy?

A major factor contributing to global warming is the amount of greenhouse gas we emit. A person’s carbon footprint represents how much carbon emissions that person is responsible for.

We now have the option to cancel out our carbon footprint by carbon offsetting. Green Investment Services can show you how to do this.

 

What is Global Warming?

Global Warming is the increase of Earth's average surface temperature due to effect of greenhouse gases, such as carbon dioxide emissions from burning fossil fuels or from deforestation, which trap heat that would otherwise escape from Earth.


Is global warming, caused by human activity, even remotely plausible?

Earth's climate is mostly influenced by the first 6 miles or so of the atmosphere which contains most of the matter making up the atmosphere. This is really a very thin layer if you think if you were to view Earth from space, the principle part of the atmosphere would only be about as thick as the skin on an onion! Realizing this makes it more plausible to suppose that human beings can change the climate.


How much have we increased the Atmosphere's CO2 Concentration?

Human beings have increased the CO2 concentration in the atmosphere by about thirty percent, which is an extremely significant increase, even on inter-glacial timescales.  It is believed that human beings are responsible for this because the increase is almost perfectly correlated with increases in fossil fuel combustion, and also due other evidence, such as changes in the ratios of different carbon isotopes in atmospheric CO2 that are consistent with "anthropogenic" (human caused) emissions. The simple fact is, that under "business as usual" conditions, we'll soon reach carbon dioxide concentrations that haven't been seen on Earth in the last 50 million years.


Combustion of Fossil Fuels, for electricity generation, transportation, and heating, and also the manufacture of cement, all result in the total worldwide emission of about 22 billion tons of carbon dioxide to the atmosphere each year. About a third of this comes from electricity generation, and another third from transportation, and a third from all other sources.


This enormous input of CO2 is causing the atmospheric levels of CO2 to rise dramatically.