So, animal waste somehow has come in contact with crops.

因此，动物粪便与农作物有某种联系。

Animals waste and other chemicals flow into the ground and pollute water supplies.

动物粪便和其他化学物质流入地下，污染水源。

It includes forest, parts of trees as well as plant and animal waste.

包括森林、部分树木以及动植物的粪便。

For example, humans burn wood and animal waste for cooking, heating, and light.

例如，人类燃烧木材和动物粪便来做饭、取暖和照明。

He said many farmers are trying to make their own fertilizer using animal waste.

他说，许多农民正试图用动物粪便制造他们自己的肥料。

However, some of those regions are far away from the areas that need the animal waste.

然而，其中一些地区距离需要牲畜粪便的地区很远。

They also say it reduces the effects that feeding animals and animal waste have on the environment.

他们还说，它减少了喂养动物和动物排泄物对环境的影响。

Recently, about 40 families started using portable devices that turn food and animal waste into methane gas.

最近，约有40个家庭开始使用这台可将食物垃圾和动物粪便转化为沼气的便携式设备。

As a result, farmers are more interested than before in using animal waste, sometimes called manure, as fertilizer.

因此，农民对使用动物粪便（有时被称为粪肥）作为肥料的兴趣比以前更大了。

And they cannot be fed materials like human or animal waste or rotten food, the food agency says.

食品管理局表示，它们不能吃人类或动物粪便或腐烂食物等材料。

The animal waste has some of those nutrients and can be used by farmers to make their soil healthier.

动物粪便含有其中的一些营养物质，农民可以用来使他们的土壤更健康。

A Palestinian community in the West Bank has been successfully testing a device that turns food and animal wastes into biogas.

一处位于约旦河西岸的巴勒斯坦地区成功试行了一种可以将食物垃圾和动物粪便转化为沼气的设备。

So, is caused by, is produced by fertilizers and animal waste.

所以，是由肥料和动物粪便产生的。

They also decompose dead leaves and animal waste, leaving nutrients for plants to grow well.

它们还能分解枯叶和动物粪便，留下植物生长所需的营养。

So, again: " The fertilizers and animal waste produce the vast majority of air pollution in Europe."

所以，再一次：“肥料和动物粪便造成了欧洲绝大多数的空气污染。”

Officials have been shocked at the condition of the homes of animal hoarders. Floors were covered with animal wastes.

官员们对动物囤积者的房屋状况感到震惊。 地板上满是动物粪便。

It is a mixture of broken rock, humus -- bits of dead plants and animal waste -- air, and water.

它是碎石、腐殖质（死去的植物和动物粪便的碎片）、空气和水的混合物。

Usually fertilizer is made from either chemicals or animal waste; that's why fertilizer often has a very bad smell to it.

通常肥料是由化学品或动物粪便制成的；这就是为什么肥料常常有难闻的气味。

With limited resources in the deep sea, many  species feed on animal waste, called marine snow, that rains down from the shallows.

由于深海资源有限， 许多物种以动物排泄物为食，这些排泄物被称为海雪， 从浅水处降下。

This is the cause, and the effect is the air pollution, basically. Air pollution is the effect of fertilizers and animal waste.

这就是原因，结果基本上就是空气污染。空气污染是肥料和动物粪便的影响。