(noun) the melting of a glacier
deglaciation
(noun) all the living things in an area and the effect they have on each other and the environment
ecosystem
(noun) an increase in the Earth’s temperature because of pollution
global warming
(noun) a source of energy like coal, gas and petroleum, that was formed inside the Earth millions of years ago
fossil fuel
(verb) to create
to form
(noun) a situation in which animals no longer exists
extinction
(noun) a large cave
cavern
(noun) a large area of trees and plants which grow next to the oceans
mangrove forest
(noun) the general weather conditions usually found in a particular place
climate
(noun) damage caused to water and air by harmful waste
pollution
(noun) a gas which makes the air around the Earth warmer
greenhouse gas
(verb) to be likely to damage or harm something
to threaten
(noun) a deep valley with very steep sides
canyon
(noun) relating to the specific characteristic of the earth's surface, or of a particular area or place
geographical features
(noun) a large mass of ice that moves very slowly
glacier
(noun) the reason why something happened
cause
(noun) colorful underwater ecosystems built by tiny animals
coral reefs
(adjective) extremely good, exciting or beautiful
spectacular
(verb) to cause a change in someone or something
affect
(noun) the job of working on a farm or organizing work on a farm
farming