In a set of two articles the authors promote growing significant plants that have beneficial effects on the environment. The hard lucerne (Medicago media) has a very extensive, deep-reaching root system, is tolerant of high salt concentrations, it could be a perfect plant for reclamation of areas disturbed by industry. So-called Chinese grass (Miscanthus sinensis), occuring in the wild in Eastern Asia, can be a more environment-friendly energy source. Brought to Europe in 1935 as a decorative plant, this species attracted attention due to its high dry-mass crop per one hectare. It could be a new, less harmful energy source used as a fuel in small boilerhouses. It could also serve as a raw material in the pulp industry.