Раскройте приведенный ниже тезис в объеме 10-15 предложений.

Say what worries you most in the modern world, what environmental problem you consider important and deserving urgent actions.

People are getting more and more on the planet. This is very bad, as the amount of oxygen on the planet decreases. Also, people make it possible to start the greenhouse effect faster, which will give rise to global warming and, in the end, flooding many percent of the land. Also, in cities, because of the large and not poor population, there are a lot of cars. They create harmful emissions that lead to cancerDo not pollute our planet