With the growth of industrialization, more and more factories produce more and more harmful substances; As well as the continuous increase of China's population, tens of thousands of cars and buses are running every day, emitting a large amount of carbon dioxide and other harmful gases and particles

According to the document "guidelines for health protection of air pollution (haze) population", it is suggested to install air purifiers in kindergartens, primary and secondary schools, offices, indoor fitness places and other indoor places; If possible, the central fresh air system can be used to

As summer approaches and the college entrance examination is approaching, a five-year "warm classroom" renovation project has recently been launched to make the learning environment more comfortable for children. The reporter learned from the Municipal Finance Bureau on June 2 that in the next five

Recently, Jiangsu Provincial Department of housing and urban rural development organized the revision of the local standard "design standard for thermal environment and energy saving of residential buildings" (hereinafter referred to as the "standard"), which will be implemented from July 1, 2021.