But let's make sure it's really biodegrading and not just degrading into small pieces that nobody can see.

但我们要确保，这是真物降解，而是将垃圾分解成没人看见小块。

The coconut-based material is designed to biodegrade, or break down, over time.

这种以椰子为基础材料被设计成随着时间而物降解或分解。

The plant is made of strong cellulose that takes a long time to biodegrade.

菠萝由需要很长时间才被物降解高强度纤维素构成。

If it actually biodegrades and is converted to gas, then the litter would disappear, and that's desirable.

如垃圾真被物降解并转化为气体，那垃圾就会消失，所以是可取。

And this is a problem, because plastic doesn’t biodegrade.

这是个问题， 因为塑料会物降解。

I always thought plastic couldn't biodegrade, but that's not true.

我一直认为塑料物降解，但事实并非如此。

And because most plastic doesn’t biodegrade, once it’s in the ground, it stays there.

而且因为大多数塑料会物降解， 所以一旦它在地下， 它就会留在那里。

Unfortunately, it only biodegrades under certain conditions.

幸是，它仅在某些条件下才会物降解。

But there's one particularly widespread type of material that almost no microbes can biodegrade: plastics.

但是有一种特别普遍材料几乎没有微物可以物降解：塑料。

The packaging, made out of seaweed, can hold drinks and sauces and is able to biodegrade in a matter of weeks.

这种由海藻制成包装可以装饮料和酱料，并且够在几周内被物降解。

So, they actually get planted with the plant in the ground, and as they biodegrade, they become a fertilizer for the plant.

直接把花盆放入土壤，花盆会发物降解，最终，它们变成了植物肥料。

It is apparently sweet and crisp, can hold a coffee for up to 40 minutes and will biodegrade within weeks.

它显然又甜又脆， 可以容纳一杯咖啡长达 40 分钟， 并会在数周内物降解。

With one catch: plastic doesn't biodegrade, which means even though it's really easy to throw away, it's really hard to get rid of.

塑料会物降解，这意味着即使塑料很容易扔掉，但它很难消除。

And then as it biodegrades, you're building up methane that methane is gonna be pumped out and put to beneficial use, usually as energy.

然后随着它物降解，你会积累甲烷，甲烷将被会抽出并用于有益用途，通常是用作源。

Unlike items that naturally biodegrade, plastic bags photodegrade, meaning that over time the plastic breaks down into smaller, more toxic substances.

同于其他物降解材料，塑料袋为光降解材料，意味着塑料袋会随着时间变成更小更加有毒性无知。

They invented bioplastics that are certified to biodegrade in various environments including water, with some of their plastics degrading almost as well as cellulose.

他们发明了物塑料， 经认证可以在包括水在内各种环境中进行物降解，其中一些塑料降解性几乎与纤维素一样。

They are a threat to the environment because they do not easily biodegrade, and recent research has found them in dust, food, fruit, bottled water and, as a result, animal and human faeces.

它们对环境构成威胁， 因为它们易物降解，最近研究在灰尘、食物、水、瓶装水以及动物和人类粪便中发现了它们。