Replacement of non-renewable energy sources with renewable ones, energy efficiency and reduction of energy consumption are important to achieve sustainability and security of energy supply and reducing greenhouse gas emissions.
Le z zamenjavo neobnovljivih virov energije z obnovljivimi, z učinkovito rabo energije, z zmanjšanjem njene porabe bo namreč mogoče doseči trajno in varno oskrbo z energijo ter zmanjšati emisije toplogrednih plinov.