By-Your-Leave

Boots are meant for walking
on grounds by-your-leave.
Polluting the planet
ensnares to upheave.
Lightly foot print the earth
to yield a reprieve.

Ships are meant for sailing
on seas by-your-leave.
Polluting the waters
ensnares to aggrieve.
Cleanly cruise the ocean
to yield a reprieve.

Planes are meant for soaring
on clouds by-your-leave.
Polluting the ozone
ensnares to bereave.
Safely fly the air lanes
to yield a reprieve.