Englishfor English speakers
global
Adjective
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If something is global it includes the whole world.
The weather is changing, and this is not just in one or two places. The change is global.
The Olympics and the world cup of soccer are the two largest global sporting events.
ecology
Noun
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Ecology is the science of the relations between living things and other living things in the place where they live.
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The ecology of a place is the relations between living things that place.