The bar graph gives information about the proportion of environmental issues in four different countries, namely China, India, Germany and USA from 2005 to 2010.
Overall, there were a considerable change in the number of the air pollution and the climate change, while the percentage in shortages of fresh water varied dramatically. As regards automobile emissions, it witnessed a moderate fluctuation.
To begin, there was a decrease in the air pollution from 65% in 2000 to amount of 62% in 2003. Next, a rise was 70% in 2006, then trend saw a slight fluctuation to almost 70%in 2010. As regards the percentage prices in the climate change it fell from 50% in the beginning of the period to nearly 47% for three years, next three years it was a drop to 60%, then it declined to 55% in the end of period.
Turning to the number of shortages of fresh water, the trend witnessed a rapid fall from 70% in 2003 to 60% in 2007, then it leveled out to amount 70% in 2010. As for the percentage of automobile emissions, there was a moderate variation between 60% in the beginning of the period to 65% in 2009, next it plummeted to 60% in the end of period.