Translate the following sentences into English.
现在我们意识到环境污染已成为一个日益严重的问题。
【正确答案】：
NOW WE ARE AWARE/REALIZE THAT ENVIRONMENTAL POLLUTION HAS BECOME AN INCREASINGLY SERIOUS ISSUE.
【题目解析】：
意识到aware/realize；环境污染environmental pollution；日益严重的问题increasingly serious issue。