男女羞羞视频在线观看,国产精品黄色免费,麻豆91在线视频,美女被羞羞免费软件下载,国产的一级片,亚洲熟色妇,天天操夜夜摸,一区二区三区在线电影
US EUROPE AFRICA ASIA 中文
Business / View

New energy must be cheaper for China to end its reliance on coal

(China Daily) Updated: 2015-12-23 11:17

The Gevernmet?in the United Kingdom recently shut the country's last deep coal mine, which has been hailed as progress in the move toward clean energy. However, government orders will not help optimize China's energy structure. Only when we have more convenient and more efficient energy sources will the old high-polluting ones be given up, said Jing Chengzi, chief editor of Luogic Show, a domestic online knowledge community, in a column for Beijing News:

When coal was first massively used centuries ago, it was called "black gold" and it well deserved that name. It was a clean energy source in the 1700s and 1800s because it produced less smoke than wood, which was widely used before that time.

It was coal that propelled the Industrial Revolution and helped drive Britain's global power. In a way, it even helped protect the environment because people no longer cut down forests for wood. Now the UK has given it up because it has better, cleaner energy sources.

Many people are calling for China to give up coal, too, and use oil instead. For that wish to be realized, people have to change their habits and make new energy more economical. In other words, we must improve clean energy generation to make it cheaper so that people will choose to use it, instead of being forced to.

Oil, although long discovered, did not gain the upper hand over coal until the 1960s, when it could be transported in large quantities at lower cost; shale gas is clean but it costs too much to extract it from underground; nuclear energy is considered the future but it requires technologies that are beyond the reach of many nations and regions.

Only when new energy sources are competitive in price will they replace coal. France and Japan have long closed their coal mines, while Germany said it will close all its coal mines by 2018; they are doing so because they have cheaper, cleaner energy sources. Actually, the UK still generates one-third of its electricity by burning imported coal, which is cheaper than mining its own. Coal is also the third-largest energy source for the United States.

For China, coal is still cheap enough to be the main energy source. If China means to end its reliance upon coal, it needs to develop new measures to make other energies cheaper and affordable to all.

Hot Topics

Editor's Picks
...
主站蜘蛛池模板: 平顺县| 甘德县| 桓仁| 靖西县| 阳泉市| 江北区| 巴林左旗| 西和县| 临洮县| 嵊州市| 宣汉县| 松潘县| 麦盖提县| 定襄县| 彩票| 古丈县| 固原市| 神池县| 额济纳旗| 大田县| 宣威市| 阳信县| 策勒县| 武隆县| 桃园县| 宜都市| 朝阳市| 泸州市| 元江| 赤峰市| 清新县| 馆陶县| 克拉玛依市| 七台河市| 霍山县| 奇台县| 汽车| 黎城县| 威海市| 安岳县| 彩票| 丰台区| 凉城县| 高阳县| 巴林左旗| 宁蒗| 平南县| 远安县| 台南市| 灵山县| 西华县| 沽源县| 西华县| 盘山县| 鄱阳县| 黄大仙区| 灵台县| 阿坝| 华阴市| 阳城县| 景谷| 榕江县| 大兴区| 合肥市| 洪泽县| 汉寿县| 江永县| 龙南县| 安塞县| 南丰县| 左贡县| 曲靖市| 河源市| 渭源县| 台南县| 岑巩县| 德兴市| 将乐县| 昌黎县| 沐川县| 崇信县| 公安县|