Of particular significance --the American public has become acutely aware of the hazards to their health, including the risk of mortality, posed by inhalation of fine particles and exposure to mercury through fish consumption.
( ( Of ( particular significance ) ) ( -- ( ( the ( American public ) ) ( ( has ( ( ( ( become ( acutely ( aware ( of ( the hazards ) ) ) ) ) ( to ( their health ) ) ) , ) ( including ( ( ( ( the risk ) ( of mortality ) ) , ) ( ( ( posed ( by ( inhalation ( of ( fine ( ( particles and ) exposure ) ) ) ) ) ) ( to mercury ) ) ( through ( fish consumption ) ) ) ) ) ) ) . ) ) ) )
(ROOT (S (PP (IN Of) (NP (JJ particular) (NN significance))) (: --) (NP (DT the) (JJ American) (NN public)) (VP (VBZ has) (VP (VBN become) (ADJP (RB acutely) (JJ aware) (PP (IN of) (NP (DT the) (NNS hazards)))) (PP (TO to) (NP (PRP$ their) (NN health))) (, ,) (PP (VBG including) (NP (NP (DT the) (NN risk)) (PP (IN of) (NP (NN mortality))) (, ,) (VP (VBN posed) (PP (IN by) (NP (NP (NN inhalation)) (PP (IN of) (NP (JJ fine) (NNS particles) (CC and) (NN exposure))))) (PP (TO to) (NP (NN mercury))) (PP (IN through) (NP (NN fish) (NN consumption)))))))) (. .)))
The American public is still very unaware of the health risks of inhaling small particles.
( ( The ( American public ) ) ( ( ( is still ) ( very ( unaware ( of ( ( the ( health risks ) ) ( of ( inhaling ( small particles ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT The) (JJ American) (NN public)) (VP (VBZ is) (ADVP (RB still)) (ADJP (RB very) (JJ unaware) (PP (IN of) (NP (NP (DT the) (NN health) (NNS risks)) (PP (IN of) (S (VP (VBG inhaling) (NP (JJ small) (NNS particles))))))))) (. .)))