【正确答案】 When winter is approaching, the haze is heavy all over the country, and the air quality makes people worry. People increasingly realize that we should not develop social economy at the cost of environmental destruction and resource wasting. Right now, China's economic growth mode is still extensive, and the contradiction between economic development and environmental protection is becoming more and more serious. China is faced with some problems, such as resources shortage, energy crisis and low production efficiency. Only by sticking to a green, circulatory and low-carbon development can we ensure the sustainability of our economic growth.