ochrona konwersacja in English:

The wall is in a better state of preservation.

He has dedicated his life to the preservation of nature.

Antarctica needs advocates. And tourism creates a global constituency of people ready to support and indeed fund its preservation

building/environmental/food preservation

Sleep is essential for the preservation of life.

preservation of environment

The activists are fighting for the preservation of the Amazon jungle.

The third is the preservation of environment. In this case, the conservation of energy and resources is needed.

When it is appraised, in order to check the authenticity and state of preservation of the painting, the real thing has to be borrowed from its owner.

It is the preservation of the species, not of individuals, which appears to be the design of Deity throughout the whole of nature.