pesticide
ˈpɛstɪsaɪd
pollutant = contaminant
pəˈluːtᵊnt = kənˈtæmɪnənt
weed
wiːd
atmosphere
ˈætməsfɪə
cholera
ˈkɒlərə
in addition
ɪn əˈdɪʃᵊn
herbicide
ˈhɜːbɪsaɪd
untreated water
ˌʌnˈtriːtɪd ˈwɔːtə
industry
ˈɪndəstri
frequent - frequently
ˈfriːkwᵊnt - ˈfriːkwᵊntli
polluted = contaminated
pəˈluːtɪd = kənˈtæmɪneɪtɪd
sewage
ˈsuːɪʤ
break out - outbreak
breɪk aʊt - ˈaʊtbreɪk
insect
ˈɪnsɛkt
solve - solution to sth
sɒlv - səˈluːʃᵊn tuː ˈsʌmθɪŋ
industrial waste
ɪnˈdʌstriəl weɪst