最常用的方法是放射性碳定年法。
我们都需要寻找减少我们碳足迹的办法。
We all need to look for ways to reduce our carbon footprint.
有机化合物的分子里含碳。
你可以通过种树抵消温室气体排放，这样你的飞行就可以做到碳中和。
You can make your flights carbon neutral by planting trees to make up for the greenhouse gas emissions.
格拉斯哥已承诺带头减少英国碳排放。
Glasgow has pledged to take the lead in reducing carbon emissions in the UK.
化石燃料释放出在地球上储存多年的碳。
Fossil fuels release carbon that has been stored for years from the earth.
这些粒子干扰了地球上碳-14的形成。
The particles interfere with the formation of carbon-14 on earth.
这将涉及到向低碳能源系统的巨大转变。
This will involve a huge transition to low-carbon energy systems.
水冷却方案将减少系统的碳足迹高达85%。
The water-cooling scheme will reduce the system's carbon footprint by up to 85 percent.
碳定价被证明是减少温室气体排放最经济的方式。
Pricing carbon proves the most economical way to reduce greenhouse gas emissions.
自动驾驶和共享系统可以减少80%的交通碳排放量。
Self-driving and shared systems could reduce 80% carbon emissions from transportation.
除了微波炉之外，煤气灶的碳强度通常来说也比电炉低。
If a microwave oven is not an option, gas ovens are generally less carbon-intensive than electric.
直到最近，他们才认识到森林在碳存储方面所起的重要作用。
Only recently have they come to see the vital part forests will have to play in storing carbon.
这将提高对碳捕捉和储存等技术的需求，进一步刺激其发展。
It would raise the demand for technologies such as carbon capture and storage, spurring their further development.
例如，企业可以通过改变工作方式，以尝试在未来向负碳转变。
For example, companies can attempt to become carbon negative in the future by changing the way they work.
未燃烧的植物腐烂得很快，但黑碳在土壤中存留了好几个世纪。
Unburnt vegetation rots quickly, but black carbon persists in the soil for many centuries.
经济推理表明，对每个国家来说，最便宜的方法是为碳排放定价。
Economic reasoning shows that the least expensive way for each country is to put a price on carbon emissions.
作为奖励，酒店较低的能源需求减少了每年200多吨的碳排放。
As a bonus, the hotel's lower energy needs have reduced its annual carbon emissions by more than 200 metric tons.
但最理智的适应方式当然是调整我们的能源系统，以减少碳污染。
But the most sensible form of adaptation is surely to adapt our energy systems to emit less carbon pollution.
我都不敢想象为了运这些煤产生了多少碳足迹，但我们别无选择。
I dread to think what the carbon footprint must be like of moving that coal, but we have no choice.
所有这些替代品都是碳基燃料，其分子比汽油分子更小、更简单。
All of these alternatives are carbon-based fuels whose molecules are smaller and simpler than those of gasoline.
毕竟，即使动机是利润，最终的结果也是减少了酒店的“碳足迹”。
After all, even if profit is the motive, the net result is a reduction in the hotel's "carbon footprint".
低碳经济实际上就是有效利用能源，发展绿色能源，还有追求绿色发展。
In essence, low-carbon economy is efficient usage of energy, development of clean energy and pursuit of green development.
用高碳低脂的土豆、面包和面食填饱肚子。
Fill up on potatoes, bread and pasta, which are high in carbohydrate and low in fat.
实现碳中和有两种方法。
20多个国家和地区已经制定了碳中和目标。
为什么不重复使用水和纸张，去过低碳生活呢？
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