ochrana vôd 5 [vynechat] water conservation voda 2 [vynechat] water 2 [vynechat] air quality management 1 [vynechat] environment 1 [vynechat] environmental law 1 [vynechat] environmental protection 1 [vynechat] fertilizers 1 [vynechat] flood control 1 [vynechat] floods 1 [vynechat] geological conditions 1 [vynechat] geological history of the Earth 1 [vynechat] geologické pomery 1 [vynechat] geologický vývoj Zeme 1 [vynechat] hnojivá 1 [vynechat] hydrologic cycle 1 [vynechat] hydrologický cyklus 1 [vynechat] hydrology 1 [vynechat] hydrológia 1 [vynechat] hydrosphere protection 1 [vynechat] integrated pollution prevention and control 1 [vynechat] integrovaná prevencia a zamedzovanie znečistenia 1 [vynechat] kvalita vody 1 [vynechat] ochrana hydrosféry 1 [vynechat] ochrana ovzdušia 1 [vynechat] ochrana životného prostredia 1 [vynechat] plant nutrition 1 [vynechat] pollutants 1 [vynechat] povodne 1 [vynechat]