E huli no: Ke po‘o inoa Ka mea kākau Ke kumuhana Ke ka‘īna Ka helu kuhi puke i ho‘omaka me 10 20 30 50 100 O nā ʻaoʻao pākahi < Nā po‘omana‘o mua 10 Nā po‘omana‘o a‘e mua 10 > Māka‘ika‘i i nā po‘omana‘o # Pollution prevention -- Juvenile literature. 30 Pollution -- Research -- United States. 1 Pollution -- Risk assessment -- Illinois -- Morton Grove. 1 Pollution -- Side effects. 1 Pollution -- Statistics. 3 Pollution -- Teen fiction. 1 Pollution -- Textbooks. 1 Pollution -- Toxicology -- SEE: Environmental toxicology 16 Pollution -- United States 3 Pollution -- United States -- Case studies. 1 10 20 30 50 100 O nā ʻaoʻao pākahi < Nā po‘omana‘o mua 10 Nā po‘omana‘o a‘e mua 10 >