In view of the threat of global climate change and the depletion of natural resources, the construction of buildings using new technologies is of great importance. The authors of the article consider a new technology of construction and operation of buildings — green construction. The main principles, as well as advantages and disadvantages of modern environmental technology were highlighted. The comparison of two certification systems of green buildings — BREEAM and LEED. Conclusions are drawn that green construction is promising, but it still needs a lot of time and economic resources to become the most preferred direction in its field.