Perhaps the most obvious thing is to buy and install a solar panel or wind generator. It is not developed in our country, but in Germany it is quite. Still (for Russia so far in theory) - to buy an electric car. When building or renovating, use special materials for better thermal insulation and saving heating of the house. You can think of a lot)
They can! At the moment, we are seriously considering the construction of a 400 kW solar power plant in the Krasnodar Territory to provide a modern hotel complex with 92 rooms with capacity. Moreover, as a project manager, I consider this decision important and effective not only in terms of image, but also in terms of economic indicators.