The planet population is reaching unsuitable levels. To what consequences may overpopulation lead? In your opinions, what measure can be taken to fight overpopulation?
the line graph compares x country's domestic production and consumption of rice in forty years starting from 1990, while the bar graph compares the consumption of rice and other staples. units are measured in million tons.
Many countries raise fuel prices to deal successfully with problems of traffic and pollu on. What effects do you think this move can have? What other measures do you think can be taken to reduce traffic and pollution ?