1.
Animals or plants at risk of extinction
2.
Protected areas where wildlife can live safely
3.
Materials found in nature that humans can use
4.
The layer of gases surrounding the Earth
5.
Food produced without artificial chemicals
6.
Possible dangers that could cause harm
7.
Substances that are neither solid nor liquid
8.
To produce or create something such as electricity
9.
To eat drink or use something
10.
The long-term rise in the Earth's average temperature
11.
Causing damage or injury
12.
Energy from sources that naturally replace themselves
13.
The gas CO2 released when fossil fuels are burned
14.
Long-term changes in global temperatures and weather patterns
15.
Coal oil and natural gas
16.
Gases that trap heat in the atmosphere
17.
The greenhouse gas emissions caused by a person or activity
18.
Causing little or no harm to the planet
19.
Energy obtained from sunlight
20.
A decrease in the amount or size of something
22.
A word used with scale to mean on a very large level
23.
Related to the environment and living things
24.
In a sudden or very noticeable way
25.
The act of damaging something so badly that it no longer exists
