The data illustrates how serious people in four countires which are China, India, Germany and USA, considered some enviromental problems between 2000 and 2010.
Overall, three out of four of the issues started the period gardually declining to face a dramatic increase. While the issue of shortage of fresh water didn’t start until the middle of the period.
In 2000, Air pollution stood at a percentage between 60% and 70% making it the dominant issue. It percenatage then steadily declined until 2003 to reach a little over 60%, it then strated to increase till 2006 which accounted for 70%. Between 2006 and 2008, it percentage went up and down, to reach almost 70% then steadily decreased for the rest of the period. On the other hand, Automobile emissions began the period with a percentage at 60%, to steadily decrease till 2003, to slightly increase between 2003 and 2006, to slightly deacrese again for the rest of the period, making it rank the last.
Climate change began at 50% in 2000, to steadily decrease until 2003 at a little under 50%. Afterwards, it showed a dramatic increase in it’s percentage to overtake Automobile emissions in 2006, reaching at 60%, then slightly increased till 2009, to end the period reaching at a little over 50%. In contrast, Shortage of fresh war didn’t start until 2003, accounting for a little under 70%. It then sharply decreased making Air pollution overtaking, reaching 60%. Then it showed a steadily increasing in its percentage reaching a little over 70% in 2009, then gradually declining in the rest of the period.