David Gallo: Underwater Astonishments
Jul16

David Gallo: Underwater Astonishments

David Gallo shows jaw-dropping footage of amazing sea creatures, including a color-shifting cuttlefish, a perfectly camouflaged octopus, and a Times Square’s worth of neon light displays from fish who live in the blackest depths of the ocean. This short talk celebrates the pioneering work of ocean explorers like Edith Widder and Roger Hanlon. Listening Watch the TED talk, listen carefully and answer the questions below:  ...

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IELTS Speaking Questions About the Environment
May27

IELTS Speaking Questions About the Environment

It’s impossible to predict what questions you will be asked in the IELTS Speaking Exam; however, you can reliably guess what topics will appear. There are only a certain number of topics that show up commonly – like education, society, sports, family, etc – and so ¬†you need to prepare your answers by topic rather than specific question. Today, I’m going to give you some example questions about the environment,...

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How to Grow Fresh Air
May15

How to Grow Fresh Air

Air pollution is a problem for most of the world’s population. With the rise of industrialism in many developing countries, fresh air is now in short supply. Particularly in large cities, people need more fresh air and less pollution. In this TED Talk from 2009, Kamal Meattle demonstrates how to improve the quality of air in your home by using a simple arrangement of plants. Watch and Listen As you watch this video, try to make...

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Sample Task 2 Essay
Mar21

Sample Task 2 Essay

Today I will give you a sample answer for an IELTS Writing Task 2 question about the environment: Some people claim that not enough of the waste from homes is recycled. They say that the only way to increase recycling is for governments to make it a legal requirement. To what extent do you think laws are needed to make people recycle more of their waste? I think this is a pretty interesting question, and yet a little difficult to...

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IELTS Listening Practice: Solar Power
Jan22

IELTS Listening Practice: Solar Power

Level: pre intermediate and above Time for completion: 10+ min   How does Solar Energy work? This video demonstrates how a grid-tied home solar power system works. It shows the exact process from the moment sunlight hit the solar panels, the actual power conversion, and how the DC (direct current) electricity from the panels is converted to AC (alternating current) for home use, as AC is the compatible form of energy for most...

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