Recently the issue / problem / question of... has been in the limelight. / brought into focus. / brought to public attention. / posed among the general public.

例句

The problem of development vs. environment has now been in the limelight. Nowhere is the clash more visible than in China, where the world's largest population faces pollution, deforestation and acid rain on a large scale.

现在发展与环境的问题已成为人们议论的中心。在中国这对矛盾表现得尤为明显。这个世界上人口最多的国家正面临着大量的环境污染、森林减少以及酸雨的袭击。

（责任编辑：何佩琦）