Over 40% of Belarus' 207,600 square kilometres (80,200 sq mi) is forested. About a fifth of Belarusian land (principally farmland and forests in the southeastern regions) was affected by radiation fallout from Ukraine's 1986 Chernobyl nuclear disaster.

A reforestation program had been under way in Spain since 1940, for meeting market demand for forest products, controlling erosion, and providing seasonal employment in rural areas. 

Due to the unique climate in Azerbaijan, about 67 percent of the species growing in the whole Caucasus can be found in Azerbaijan. Since its independence in 1991, the Azerbaijani government has taken drastic measures to preserve its environment.