A set of circumstances that makes it possible to do something.

अवसर

English Usage: She took advantage of the job opportunity.

Hindi Usage: उसने नौकरी के अवसर का फायदा उठाया।

Relating to the natural world and the impact of human activity on its condition.

पर्यावरणीय

English Usage: We must consider environmental factors in our decisions.

Hindi Usage: हमें अपने निर्णयों में पर्यावरणीय कारकों पर विचार करना चाहिए।