Latex condoms take years to biodegrade in landfills and polyurethane and polyisoprene condoms may never decompose .
乳胶避孕套在垃圾填埋场需要数年才能生物降解，聚氨酯和聚异戊二烯避孕套可能永远也不会分解。
That can mean sharing hearses , or using home-grown flowers and coffins made with cardboard ( pictured ) or willow , which biodegrade easily .
这可意味着共用灵车，或使用自产鲜花以及由硬纸板（如图）或柳木制成的棺材，它们更易被生物降解。
And goods that don 't biodegrade readily , like many plastic bags , can generate costly waste streams .
还有像塑料袋这样的很难自然降解的产品，可以带来一系列的资源浪费。
Another type of bag is oxo-biodegradable , which will biodegrade if exposed to air or water , but not inlandfill and the cost to make them is much higher .
