The process of converting waste materials into new materials and objects.

What are the three Rs of the environment?

If he ...................... (be) late, I ....................... (miss) the bus

If we ................. (not stop) using so much plastic, we ................... (harm) the oceans

I .................. (not pass) if I ................. (not study) harder.

An extended period of unusually dry weather with no rain or other precipitation

The problem caused by increased quantities of gases such as carbon dioxide in the air. These gases trap the heat from the sun, and cause a gradual rise in the temperature of the Earth's atmosphere.

What's this?

The long-term alteration of temperature and normal weather patterns in a place. This could refer to a particular location or the planet as a whole.

If it .................. (rain), I ...................... (take) my umbrella

Name five objects you can recycle.

A gradual increase in the temperature of the earth's atmosphere generally attributed to the greenhouse effect.

What's happening to the ice?