It is sufficient to mention only such products as: furniture, rafters, houses of wood, toys or paper to notice, that we have contact with wood almost everyday.
As you can see in the diagram, burning of pellets, as wood product, does not pollute the environment. For that reason wood is a very environment friendly energy source.
For two hundred years
people got their energy
for cooking and heating
only and exclusively of wood.
The wood energy due to its undoubted economic and environmental advantages enjoys in the recent years in Western Europe and United States a renaissance.