Renewables account for only a small share of global primary energy consumption, which is still dominated by fossil fuels—30% each for coal and oil, 25% for natural gas.
出自-2017年6月阅读原文
Natural gas and coal—also fossil fuels—have similarly seen price declines that look to be long-lived.
出自-2017年6月阅读原文
Coal and natural gas are mainly used for electricity generation, whereas oil is used mostly to power transportation, yet the prices of all these energy sources are linked.
出自-2017年6月阅读原文
They also, however, use far more natural resources—fuel, water ( ' , all those baths and golf courses) and building materials.
出自-2016年6月阅读原文
One recent study warns us of the danger of the exhaustion of natural resources on Earth.
出自-2016年6月阅读原文
It is difficult to find solid evidence to prove environmental friendliness generates more profits than exploiting the natural environment.
出自-2016年6月阅读原文
In other words, poor and rich both over-exploit the natural world, but for different reasons.
出自-2016年6月阅读原文
If our economies are to flourish, if global poverty is to be eliminated and if the well-being of the world's people enhanced—not just in this generation but in succeeding generations—we must make sure we take care of the natural environment and resources on which our economic activity depends.
出自-2016年6月阅读原文
And the World Resources Institute ( ' , WRI) in its World Resources 2005 report, issued at the end of August, produced several such examples from Africa and Asia; it also demonstrated that environmental degradation affects the poor more than the rich, as poorer people derive a much higher proportion of their income directly from the natural resources around them.
出自-2016年6月阅读原文
A politician noted for being cautious asserts that sustainable human development depends on the natural environment.
出自-2016年6月阅读原文
The negative impacts of natural disasters can be seen everywhere.
出自-2016年6月听力原文
A study by the Centre for Research on the Epidemiology of Disasters finds that, between 1980 and 2007, nearly 8,400 natural disasters killed more than twomillion people.
出自-2016年6月听力原文
It is natural for students to make complaints about university education.
出自-2016年12月阅读原文
Antarctica's harsh natural conditions constitute huge obstacles to the exploitation of its resources.
出自-2016年12月阅读原文
And while assessments vary widely, geologists estimate that Antarctica holds at least 36 billion barrels of oil and natural gas.
出自-2016年12月阅读原文
According to geologists' estimates, Antarctica has enormous reserves of oil and natural gas.
出自-2016年12月阅读原文
Whether it is a transition from imported to domestic oil or from coal-powered electricity production to natural-gas power plants, politicians love to talk big.
出自-2015年12月阅读原文
But it is natural to desire to do so for special occasions.
出自-2014年6月阅读原文
However, a further increase in farming area without impacting unfavourably on what remains of the world's natural ecosystems appears unlikely.
出自-2013年12月阅读原文
Indeed, on a global scale, fertiliser manufacturing consumes about 3-5% of the world's annual natural gas supply
出自-2013年12月阅读原文
A further expansion of farming area will adversely impact on the world's natural ecosystems.
出自-2013年12月阅读原文
Dakota Gasification of North Dakota captures CO2 at a plant that converts coal into synthetic natural gas.
出自-2012年6月阅读原文
To increase the volume and the speed with which we move natural resources through the consumer economy to the junk pile or the waste heap.
出自-2013年12月听力原文
Muir's learning in observation throughout his life led him to devote his last years to preserving the natural environment.
出自-2013年6月听力原文
Explain certain natural phenomena
出自-2013年6月听力原文
But there are a lot of products that we eat today that are considered natural that are produced in a similar manner,\ Genovese said.
出自-2012年6月听力原文
They are not as natural as we believed
出自-2012年6月听力原文
\It's nothing new, it's nothing too complicated and it's natural because lots of people have TV remotes,\ says Rodriguez.
2019年6月六级真题(第一套)阅读 Section C
Although the planned operation will be located more than miles away, drawing the soda ash in through pipelines, conservationists worry it could still upset the natural water cycle and breeding grounds.
2017年12月六级真题(第三套)阅读 Section C
And the World Resources Institute WR in its World Resources 2005 report, issued at the end of August, produced several such examples from Africa and Asia; It also demonstrated that environmental degradation affects the poor more than the rich, as poorer p
2016年6月六级真题(第三套)阅读 Section B
At a time when natural history was a valuable tool for discovery, Merian discovered facts about plants and Insects that were not previously known.
2018年12月六级真题(第二套)阅读 Section B
Basically we turned our skin darker to serve as a natural sun protector in the place of the hair we lost.
2019年6月六级真题(第一套)听力 Section C
Feeling both positive and negative emotions is a natural part of being human.
2016年12月六级真题(第二套)听力 Section C
It's in these populations that we begin to see real changes in the genetic makeup of natural coloring.
2019年6月六级真题(第一套)听力 Section C
Maria Droujkova is a founder of Natural Math, and has taught basic calculus concepts to 5-year-olds.
2018年12月六级真题(第二套)阅读 Section C
Natural talent helps in some way, but at the end of the day you really do need to work hard and get really, really good at what you do.
2016年12月六级真题(第二套)听力 Section A
Perhaps with the tools of this new technological revolution, we will be able to undo some of the damage done to the natural world by the last one—industrialization.
2019年6月六级真题(第一套)阅读 Section C
Psychologists call them \masters of deception\, those rare individuals with a natural ability to tell, with complete confidence, when someone is telling a lie.
2018年12月六级真题(第一套)听力 Section C
The World Meteorological Organization points to Cuba and Bangladesh as examples of countries that have successfully reduced the loss of life caused by natural disasters by taking preventive action.
2016年6月六级真题(第二套)听力 Section C
These practices include grazing animals on grasses grown from the pastureland's natural seed bunk, and fertilized by the cows' own fertilizer.
2019年12月六级真题(第三套)阅读 Section B
They also, however, use far more natural resources—fuel, water all those baths and golf courses and building materials.
2016年6月六级真题(第三套)阅读 Section B
This is in comparison with a drop of just under 1% in the total yogurt and kefir market according to natural and organic market research company SpiNS.
2019年12月六级真题(第三套)阅读 Section B
What we did in our ancestry was to produce more permanent natural coloring in our skin cells.
2019年6月六级真题(第一套)听力 Section C