Search results

… is a poisonous gas emitted by vehicles and released by forest fires and open burning. Smog is formed from the …

… and coal heating; (b) Open fires such as refuse burning, forest fires and after-crop burning; (c) Coke and anode … loads of acidity, as described in annex I, that allow ecosystem recovery; (b) For Parties within the geographical … exceeded are determined and mapped for lakes and upland forest ecosystems using scientific methodologies and criteria …