CO2 emission and temperature rise

CO2 emission and temperature rise

06/01/2012 - 12.32 pm

Recent measurements of carbon dioxide (CO2) show a concentration of 390 ppmv in the earth’s atmosphere. Besides natural sources of CO2, human-generated release such as burning fossil fuels for heating, power generation and transport play an increasingly dominant role in CO2 emission.

CO2 is described as a greenhouse gas that significantly contributes to global warming, i.e. to the rising average temperature of the earth’s atmosphere.

Climate models of the Intergovernmental Panel on Climate Change (IPCC) indicate a strong relationship between CO2  concentration and that temperature rise, as shown in the graph. An increase in global temperature will cause sea levels to rise. Depending on the model, the estimated value can be up to several metres. Such a rise, in combination with other climate effects, would have dramatic consequences on our ecosystem. The goal should be to limit future global warming to below 2°C relative to the pre-industrial level, but this requires deep cuts in greenhouse gas emissions. Better energy efficiency and renewable energy are key to reducing CO2. Improved energy efficiency reduces the amount of energy required for the same services.
For electrical networks, this implies more intelligence to optimise consumption (Smart Grids) and reduce losses, more network connections to use spinning reserves in different networks, etc. Alstom Grid has over 130 years’ experience in solving such network issues.

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