Operating without releasing substances or waste that contaminate the surrounding environment.
Reach for it when describing a process or technology whose normal use avoids pollution at the point being considered
The city is testing nonpolluting buses on its most crowded route.
| everyday | |
|---|---|
| professional |
|
| formal |
everyday
Fits when a concise public label is supported by a clearly stated environmental measure
Careful Clean is vague and can hide pollution from manufacturing, fuel production, or disposal.
everyday
Fits when broad informal praise for environmental benefit is appropriate
Careful Green is too elastic for a technical claim about actual releases.
professional
low-emission
Fits when the technology reduces pollution substantially but does not eliminate it
Careful Low-emission is the honest claim when pollution is reduced rather than eliminated.
professional
Fits when the relevant operation produces none of a specified emission
Careful Zero-emission must name its boundary and pollutant; it does not cover every environmental harm.
formal
environmentally benign
Fits when evidence covers wider ecological effects beyond pollution alone
Careful This stronger phrase requires lifecycle evidence, not only clean operation.
formal
pollution-free
Fits when the defined process produces no pollution within a stated boundary
Careful Pollution-free sounds absolute unless the system limits and lifecycle are explicit.
nonpolluting technology
Nonpolluting technology kept exhaust away from the school entrance.
nonpolluting process
The factory replaced its solvent wash with a nonpolluting process.
nonpolluting transport
Reliable nonpolluting transport made the valley quieter as well as cleaner.
Keep in mind
Environmental claims need a stated boundary; zero pollution during use does not establish a pollution-free lifecycle.
Definitions and examples are written for this site. How words are chosen Updated
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