Only when it burns.
Is wood harmful to the enviroment?
According to the Massachusetts Department of Environmental Protection, woodsmoke “contains toxic carbon monoxide, smog-causing nitrogen oxides, soot, fine particles, and a range of other chemicals and gases that can cause or worsen serious health problems, particularly among children, pregnant women, and people with ...
I do not think that wood is harmful
to the environment, as it consumes less energy and it causes the lowest CO2
emission. It contains very few heavy metals and it does not contribute to acid
rain. Click here to have more information about whether wood is dangerous for
the atmosphere: http://www.premierforest.co.uk/wood-and-the-environment.html.