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Written question asked by Lord Elis-Thomas (Plaid Cymru), in the House of Commons. It was due for an answer on Thursday, 26 July 1990. It was answered by David Trippier (Conservative) on Thursday, 26 July 1990 on behalf of the Department of the Environment.


Untitled Written question

Question
What studies have been undertaken by DOE into use of lichen to assess extent of air pollution

Secondary information

Type
Written question
Reference
177 c389W;177 c386-7W
Session
1989-90
Subjects
Air pollution Pollution control Plants Research