Sanitation: alternatives and connections

the preservation and careful management of the environment and of natural resources

a particular environment or walk of life; "his social sphere is limited"; "it was a closed area of employment"; "he's out of my orbit"

a particular environment or walk of life; "his social sphere is limited"; "it was a closed area of employment"; "he's out of my orbit"

the diversity of plant and animal life in a particular habitat (or in the world as a whole); "a high level of biodiversity is desirabl…

of or relating to the science of ecology; "ecological research"

of or relating to the science of ecology; "ecological research"

arrange for and reserve (something for someone else) in advance; "reserve me a seat on a flight"; "The agent booked tickets to the sho…

a state at a particular time; "a condition (or state) of disrepair"; "the current status of the arms negotiations"

an enclosed passageway; rooms usually open onto it

no longer in existence; "the extinction of a species"

a particular environment or walk of life; "his social sphere is limited"; "it was a closed area of employment"; "he's out of my orbit"

of or relating to the science of ecology; "ecological research"

of or relating to the science of ecology; "ecological research"

(of flora or fauna) in imminent danger of extinction; "an endangered species"

no longer in existence; "the extinction of a species"

a particular environment or walk of life; "his social sphere is limited"; "it was a closed area of employment"; "he's out of my orbit"

the type of environment in which an organism or group normally lives or occurs; "a marine habitat"; "he felt safe on his home grounds"

arrange for and reserve (something for someone else) in advance; "reserve me a seat on a flight"; "The agent booked tickets to the sho…