Conservation is the preservation or efficient use of resources (in an efficient or ethical manner), or the conservation of various quantities under physical laws.
An EU project considered adapting an American tax-based scheme financing green technologies for European use. The programme was effective in its native California, and the team recommended its adoption in preference to subsidy options.
EN 
CS
DE
ES
FR
HU
IT
PL
PT
РУ
SK
TR
УК
AR
中文
