Global warming
Contamination
Climate change
Biodiversity
Preservation
Greenhouse effect
Ecosystem
Activist
the process in which heat is unable to escape from the atmosphere and causes the temperature of the Earth to rise.
the variety of different types of plant and animal life in a particular region
the process of making something dirty, polluted, or poisonous by adding a chemical, waste, or infection
an increase in the earth's average atmospheric temperature that causes corresponding changes in climate and that may result from the greenhouse effect.
all the plants and animals in a particular area, considered as a system with parts that depend on one another
the changes that are thought to be affecting the world’s weather so that it is becoming warmer
the process of working to protect something valuable so that it is not damaged or destroyed
the process of making something dirty, polluted, or poisonous by adding a chemical, waste, or infection
