Population growth is the growing number of people in the world. Did you know in 1960 there were only 3 billion people in the world, whereas there are currently more than ………….billion people who all need food to eat and places to live!

Burning of oil, coal and gas (these are called …………..)

It is a strong wind that has a circular shape.

Regions affected by this climate are extremely hot and humid.

It is a spinning tube of air that moves really fast along the ground.

It is a change in the world's weather.

It's the level of carbon dioxide and other gases going up.

An .................is a geographic area where plants, animals, and other organisms, as well as weather and landscape, work together to form a bubble of life. Desert, forest, oceans or jungles are different types of ..................

Wind energy is a .................

The way waste is disposed of often adds to these harmful emissions. Even food waste creates another greenhouse gas called ............when it rots.

It's a strong snowstorm.

It is the temperature of the Earth’s surface going up due to the high level of carbon dioxide in the atmosphere.

When burnt they release substances into the atmosphere, including a gas called ……………………. which trap heat from the sun and warm up the Earth.