Energy conservation and emission reduction mean economizing material resources and energy resources, reducing waste residues and noxious substance including the three wastes (waste gas, waste water and industrial residue) and noises.

Energy conservation and emission reduction are practices of protecting the environment, on individual, organizational or governmental level, for the benefit of the natural environment and (or) humans.

Energy conservation and emission reduction are the key moves for implementing scientific outlook on development and building a harmonious socialist society, the inevitable choices for establishing resource-conserving and environment-friendly society, the only way to promote structural adjustment of the economy and change the increase method, the inexorable requirements for maintaining long-term interest of the Chinese nation.