harm from the repercussions of bird droppings on an environment

area, district, particular geographic region

serious, deep, heavy (topic), profound (change), weighty (matter)

seriousness

(そこなう) damage, harm, injure / (あやめる) kill / (わざわい) disaster

harm, damage, injury

question, problem on homework etc. / a question; a matter (of time etc.) / a problem (something that needs to be dealt with); a trouble / an issue; a matter

(colloquial) feces, excrement / (by extension) shit, crap, garbage, trash

(swear word) shit, crap

(derogatory) pejorative prefix