Dams have two positive aspects – they store water and they generate electricity.

The average US citizen uses 500 litres of water a day

I'm concerned about water because it's essential to life.

They ought to have thought about the consequences of building such a big dam.

They should have considered the consequences of building such a big dam.

Governments started building more large dams for storing water in the 1990s.

She's an environmental campaigner who wants to save the world's water.

Water is essential to life – we can't live without it.

In order to build a dam, large areas of land have to be flooded with water.

Most fresh water is frozen in the polar ice caps.

Most fresh water is frozen in the polar ice caps.

What is the government doing to solve the water shortage problem?

To save water, you shouldn't use a hosepipe.

Personal hygiene involves keeping yourself clean.

Most fresh water is frozen in the polar Ice caps.

What is the recommended minimum amount of water per person per day?

Most fresh water is frozen in the polar ice caps.

Storing water and generating electricity are two positive things about dams.

When it rains, you should collect the rainwater in a container.

What is the recommended minimum amount of water per person per day?

97.5% of the water on Earth is salt water, which humans can't drink.

You can't use a hosepipe because there's a shortage of water.

There are more than 20 different species of bird in the park.

You can store large amounts of water in dams.

A tap is something you turn on to get water.

I'm worried that more dam building projects are underway now.

How much of the world's fresh water is available for use?

We use the water we collect when it rains to water the garden.

We use a watering can to water the garden.

Many types of animals have been wiped out completely – there are none left.