Many of them burn wood, waste and dung indoors for heating and cooking. The soot released into the air as a consequence is also a climate-changer because, being dark, it absorbs heat.
很多农民通过燃烧木头、垃圾和粪便来取暖、烧饭，排放到大气中的煤烟因为是黑色而吸热同样会造成气候变化。
Dung urinary leak into the ground, make no pollution or less polluted feed to keep cages and feed the clean sanitation.
粪尿漏到地面，使之不污染或者少污染饲料，以保持笼舍和饲料的清洁卫生。
He devised a closed toilet that gathered dung and urine into a container at the bottom, which was then used as organic fertilizer on his land.
他发明了一种密闭厕所，用来收集粪便和尿，随后进入底端的一个容器。这些收集起来的粪和尿作为有机肥料，施在他的地里。
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