To become hotter or to make something hotter. In the context of the Earth, it refers to the rising temperature of the planet.
Warm up
To change from a solid substance into a liquid because of heat.
Melt
The natural home or environment where an animal, plant, or other organism lives.
Habitat
To treat things that have already been used so that they can be used again.
Recycle
An organization set up to provide help and raise money for those in need.
Charity
To be likely to cause harm or damage to something or someone; to put at risk.
Threaten
A type of animal or plant that is in danger of disappearing forever because there are very few of them left.
Endangered species
To decay or break down into smaller parts naturally over time, usually by bacteria or fungi.
Decompose
The measure of the amount of carbon dioxide released into the atmosphere by your activities.
Carbon footprint
The general weather conditions usually found in a particular place.
Climate
The protection of nature, animals, and the environment from being damaged or destroyed.
Conservation
A long period when there is little or no rain.
Drought
All the plants, animals, and people living in an area considered together with their environment as a system of relationships.
Ecosystem
A large amount of water covering an area that is usually dry.
Flood
A gradual increase in the world's temperatures.
Global warming
Damage caused to water, air, etc. by harmful substances or waste.
Pollution
