Thanks to biomass, heat and power generating plants can transform themselves from being polluters into manufacturers of environmentally-friendly energy. At least that is the theory. But what is actually happening in practice? The article revealed that instead of burning biomass, a number of heat and power generating plants have been exploiting legal loopholes by adding pure wood to their furnaces. This is practiced by 55 heat and power generating plants, where 80 pct of the burnt biomass is actually clean wood.It would be interesting to know how the recipients of such 'green' energy feel about this. Increasingly often these include developers striving to obtain so-called green certificates. Unfortunately it is difficult to tell what they think, as they seem to be keeping rather tight-lipped on the issue. I have yet to hear any reaction to the revelations published in "Przekrój". This is actually rather a convenient attitude to take. Green solutions are being introduced more and more e