global warming globálne otepľovanie 20 [vynechat] klimatické zmeny 18 [vynechat] climate changes 14 [vynechat] climatic changes 4 [vynechat] environmental policy 4 [vynechat] environmentálna politika 4 [vynechat] global environmental change 4 [vynechat] globálne problémy životného prostredia 4 [vynechat] environmentalism 3 [vynechat] global problems 3 [vynechat] globálne problémy 3 [vynechat] man and environment 3 [vynechat] človek a životné prostredie 3 [vynechat] air pollutant emission reduction 2 [vynechat] climatology 2 [vynechat] environmentalizmus 2 [vynechat] environmentálne vhodné technológie 2 [vynechat] green technology 2 [vynechat] greenhouse gases 2 [vynechat] innovations 2 [vynechat] inovácie 2 [vynechat] klimatológia 2 [vynechat] skleníkové plyny 2 [vynechat] social crisis 2 [vynechat] unrenewable natural resources 2 [vynechat] znižovanie emisií 2 [vynechat] air pollutant emission 1 [vynechat] alternative energy sources 1 [vynechat] alternatívne energetické zdroje 1 [vynechat]