The U.S. has been the biggest emitter of greenhouse gases in history.

国是史上最温室气体排放国家。

Many of these buildings will be made using cement, a massive emitter of greenhouse gases.

其中有许多建筑将使用水泥制成，它排放了量温室气体。

It means more independent organizations are measuring greenhouse gases and identifying big emitters.

这意味着更多独立组织正在测量温室气体并确定型排放者。

Is the world's largest carbon dioxide emitter seriously doing that?

这个世界上最二氧化碳排放国是要动真格吗？

India, the world's third largest emitter, and Russia, the fourth largest, also made no new commitments.

世界第三排放国印度和第四排放国俄罗斯也没有做出新承诺。

Well, the biggest gap was really with the major economies, the biggest emitters in the world.

最问题出在全球主要经济体和最排放国身上。

If shipping were a country, it'd be the sixth largest emitter of CO2, trailing just behind Japan.

如果运输行业是一个国家，它就是二氧化碳第六排放国，仅次于日本。

It's detected 50 super emitters across the world, mostly coming from fossil fuel, landfill and agricultural facilities.

它在世界各地探测到50个主要排放地，部分是化石燃料厂、垃圾填埋点和农业设施。

The biggest polluters are called " super emitters, " said Carbon Mapper Coalition chief executive Riley Duren.

碳测绘联盟首席执行官莱利·杜伦称，最染者被称为“超级排放者”。

Indonesia, for example, chafes at its reputation as the world's third-biggest emitter of carbon (a ranking it disputes).

以印度尼西亚为例，因对世界第三碳排放国家（该排名有争议）这个排名感到气恼。

If the world's wasted food was a country, it would be the third largest emitter of greenhouse gases.

如果全世界浪费食物是一个国家，那会是温室气体第三排放国。

He told the Reuters news agency that super emitters produce more than 100 kilograms of methane per hour.

他告诉路透社，超级排放者每小时产生超过100公斤甲烷。

It's the first time that India, the world's fourth biggest emitter of carbon dioxide has announced a net zero target.

这是印度(世界第四二氧化碳排放国)首次宣布净零排放目标。

In fact, if global food waste were a country, it would be the world's third largest emitter of greenhouse gases.

实际上，如果把全球食物垃圾比作一个国家，那它可能会成为世界第三温室气体排放国。

However, there are concerns that heavy emitters may find loopholes in carbon trading systems.

然而，有人担心重度排放者可能会在碳交易系统中找到漏洞。

The emitter, the base, and the collector.

发射极、基极和集电极。

These work by shooting electrons out of an emitter at a phosphor-coated screen.

这些通过在荧光涂层屏幕上从发射器射出电子来工作。

Investigators exposed the chips to alpha emitters with different levels of activity.

研究人员将芯片暴露于不同活性水平阿尔法辐射源。

Such kind of a microreporting has motivated some of the largest emitters to change behavior.

这种微报告促使一些最排放者改变行为。

It is the largest emitter of methane gas.

它是最甲烷气体排放国。