单词：recycling of water
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Section C Earth — a Living Planet Earth looks like a big blue marble（玻璃球）; from high above the Earth and from the moon, the planet gleams and shines. The blue water in the oceans and seas
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Exactly how is that environmentally responsible? The problems start here with extraction and production, where oil is used to make water bottles. Each year, making the plastic water bottles used in the U.S. takes enough oil and energy to fuel a milli
英语解说豆知识2011年
This is Bob Smith from Channel 13 News. I'm at the scene of a miraculous rescue that occurred earlier today involving a fire, a 3-month-old baby, and the baby's dog, Lucky. Uh, the fire broke out at the three-story building behind me. Uh, unfortunate
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Can we help the environment by being green? We all know that humans are damaging the environment, but what can we do about it? Some people are trying to do their bit to try to be more environmentally friendly . Local councils in Britain encourage ce
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环境保护英语演讲稿：Only One Earth We have only one earth. But now,the environment becomes worse and worse. As you know,there's no enough clean water for people. So many of them lose their lives because of water. In a lot of countries, peop
英语演讲
Wastewater Key to Sustaining Life The world population is growing rapidly and is expected to reach 9 billion by 2050. While efforts are underway to ensure theres enough food, one scientist is warning there may not be enough water. Professor Stanley G
VOA标准英语2012年(八月)