新的挑战要求在十年内削减50%的碳排放,引发有关气候行动的辩论。 New challenge calls for 50% carbon emission cuts in a decade, sparking debate on climate action.

一项新的挑战敦促大幅度减少碳排放,引发了一场关于气候变化的全国讨论。 A new challenge urging significant reductions in carbon emissions has ignited a nationwide discussion on climate change. 该倡议的目标是在十年内将排放量减少50%,促使各方就可行性及其对经济和环境的影响展开辩论。 The initiative aims to reduce emissions by 50% within a decade, prompting debates on the feasibility and impact on the economy and environment. 支持者认为必须对抗全球变暖, 而批评者则质疑其实用性和潜在经济压力。 Proponents argue it's necessary to combat global warming, while critics question its practicality and potential economic strain.