取之不盡、用之不竭
Renewable energy, also known as clean energy, comes from natural sources that will never run out.
可再生能源（又稱乾淨能源）源自取之不盡、用之不竭的大自然，
natural(adj.)天然的;自然的source(n.)來源;起源;出處Eggs are a good source of protein.run out=耗盡;用光
For example, sunlight will keep shining and wind will keep blowing, even if their availability depends on different factors.
如：太陽會持續照耀、風會繼續吹，即便這類能源供應會受不同因素影響。
available(adj.)可獲取的;可用的availability(n.)可得性depend on=取決於;仰賴~
Contrary to popular belief, renewable energy is not new technology.
與大眾認知相反的是，這些可再生能源並非新技術。
contrary to=相反;不一樣Contrary to my prediction, my cat is afraid of rats.belief(n.)信念;看法
For centuries, wind has powered boats to sail the seas and the sun has provided warmth and helped us light fires.
幾世紀以來，風力使帆船得以航行，太陽使我們暖和並幫助點燃火焰。
power(n.)權力;電力;力量(v.)驅動;提供...動力warmth(n.)暖和;溫暖
But over the past 500 years, humans have focused more on cheaper, dirtier energy sources such as coal and oil.
但過去五百年間，人類轉而使用煤與石油等較廉價髒污的能源。
focus on sth.=聚焦在某事上
However, now that we’ve created more efficient and inexpensive green technologies, renewable energy is becoming increasingly important in our world.
不過，由於我們創造了更有效率且成本較低的環保技術，因此可再生能源在全球越見重要。
now that...=既然;由於efficient(adj.)有效率的The new operating system is more efficient and user-friendly.inexpensive(adj.)不貴的
In the US, it accounts for more than one-eighth of the total power generated.
在美國，可再生能源佔全國總供電量的八分之一。
account for=(數量上)佔...generate(v.)產生;造成The hydropower plant generates electricity for thousands of households.
Furthermore, renewable energy is spreading at both large and small scales, ranging from rooftop solar panels to giant offshore wind farms.
而且，從屋頂的太陽能發電板到巨大的離岸風力發電站都可看到再生能源的使用，
spread(v.)擴散;散播range from A to B=範圍從A到B
There are even entire rural communities that depend on renewable energy for heating and lighting.
甚至有偏鄉地區仰賴可再生能源提供暖氣與照明。
rural(adj.)偏鄉的
If we continue down the path of clean energy, it seems that a sustainable future could be within our reach.
若我們持續發展乾淨能源，實現永續發展的目標就離我們不遠了。
sustainable(adj.)可持續的Companies are seeking ways to contribute to sustainable development.within (one’s) reach=觸手可及或可輕易抵達的距離;能力所及beyond or out of (one’s) reach=超出能力範圍Affording a house is still not within our reach.