In addition to the changes within each year, what changes in CO₂ concentration occurred between 1990 and 2010 ? Calculate the average CO₂ concentration for the 12 months of each year. By what percentage did this average change from 1990 to 2000 and from 1990 to 2010 ?

Respuesta :

The average CO2 concentration increased by 10.0% between 1990 and 2010 from 354.5 ppm to 389.8 ppm. In actuality, since 1960, the average CO2 concentration has been continuously rising.

Global climate change is mostly caused by carbon dioxide emissions. It is commonly acknowledged that the world needs to reduce emissions quickly if it wants to avoid the worst effects of climate change. However, the division of this responsibility among nations, regions, and people has long been a source of dispute in international talks.

Emissions before the Industrial Revolution were very low. Emissions growth remained comparatively slow until the middle of the 20th century. The globe released 6 billion tonnes of CO2 in 1950. This amount nearly doubled by 1990, topping out at over 22 billion tonnes. The rate of growth in emissions has persisted, and we currently emit more than 34 billion tonnes annually.

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