Waste water and carbon gases from farm animals are bad for the environment. Animals wastes and other chemicals flow into the ground and pollute water supplies.
農(nóng)場牲畜產(chǎn)出的廢水和含碳?xì)怏w對(duì)環(huán)境有害。牲畜糞便和其他化學(xué)物質(zhì)流入地下，污染水源。

Exhaust gases from automobiles are a major cause of air pollution and global warming. As a result, many companies are trying to produce more efficient and cleaner cars.
汽車尾氣是造成空氣污染和全球變暖的主要因素。最終很多企業(yè)開始嘗試生產(chǎn)更高效更清潔的汽車。

Pesticides and fertilizers are used by farmers to grow crops such as fruits and vegetables. These chemicals pollute water supplies when they flow into the ground or rivers.
農(nóng)民使用殺蟲劑和化肥來種植農(nóng)作物，比如水果和蔬菜。當(dāng)這些化學(xué)物質(zhì)流入地下或河流時(shí)，水源就會(huì)受到污染。

Factories like this one allow harmful chemicals to get into the air or water. Companies need to try harder to protect the environment and our health.
像這樣的工廠也會(huì)讓一些有害化學(xué)物質(zhì)進(jìn)入空氣或水域。企業(yè)需要更加努力以保護(hù)我們的環(huán)境和健康。

Nuclear waste products are radioactive and can pollute the environment for thousands of years. They need to be safely transported and stored in a safe place.
核廢料具有放射性，可以污染環(huán)境長達(dá)數(shù)千年。它們需要安全運(yùn)輸并存放在安全的地方。