The action of conserving something, in particular:
the conservation of tropical forests
A law of nature according to which some measurable physical property is conserved, either in certain types of change or interaction only, or in all circumstances.
An area of notable environmental or historical interest or importance which is protected by law against undesirable changes
An architect who works on the conservation, restoration, or adaptation of a building, especially one of historical interest.
A scientist who works in the field of conservation biology.
The branch of biological science concerned with the conservation, management, and protection of vulnerable species, populations, and ecosystems.
An easement which ensures the use or development of a particular piece of land is compatible with long-term conservation and environmental aims.
A method of farming which utilizes conservation tillage.
An official responsible for overseeing the conservation of wildlife, the environment, or historical sites.
The status accorded to an area of special interest, an endangered species, etc., in relation to its need for (legal) protection from undesirable change or the detrimental effects of human activity.
The tillage or cultivation of soil with minimum disturbance (typically without ploughing) so as to control erosion and conserve soil moisture.
The preservation of wild fauna and flora and natural habitats and ecosystems, especially from the effects of human exploitation, industrialization, etc.
The describing of equal areas in equal times by a line joining a planet, satellite, etc., to the body which it is orbiting.
A principle stating that mass cannot be created or destroyed
A principle stating that the total electric charge of an isolated system is fixed
A principle stating that energy cannot be created or destroyed, but can be altered from one form to another