Englishfor English speakers
environmental
Adjective
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Environmental protection, education, issues, etc. all relate to the natural world: land, air, water, and living things.
The country needs help to deal with its environmental problems.
Saving the forests makes economic as well as environmental sense.
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Environmental factors, impact, effect, etc. all relate to the area around someone or something.
The disease is caused by a combination of genetic and environmental factors.
accident
Noun
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An accident is something that happens without a plan, usually something bad.
I dropped the glass by accident and it broke.
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An accident is a vehicle crash.
Two people were hurt in a road traffic accident between a car and a motorcycle last night.