The chart illustrates the proportions of individuals who made a decision in four ways to reduce greenhouse gases in the four given countries: Portugal, Poland, Estonia and Holland in 2005.
Overall, the percentages of people living in Portugal and Poland are the two most highest in three ways: government regulations, lifestyle and advanced technology, except for that of people utilizing other ways.
Taking a glance at the chart, in terms of gvernment regulations, the percentages of inhabitants using it in four nations Portugal, Polland, Estonia and Holland decreased gradually from approximately 40% to nearly 30%, then under 20% and eventually slightly higher than 10%. regarding life style, the figures of people choosing it in Portugal bore a close resemblance to that in Poland, at around 30% which was threefold compared to the identical statistics in the two remaining countries.
Notably, the same percentages of individuals using advanced technology in Portugal and Holland peaked at 30%, making them the highest statistics which tripled that in Poland, and three halves of that in Estonia. Regarding other mesures to limit greenhouse effects, the proportion of people utilizing them in Poland reached at about 30%, followed by that in Hoolland and Portugal at 20%, and the figure in Estonia was the lowest, at around15%.