Bills on corporate carbon emissions and air quality regulation will demonstrate whether the Legislature and its current leadership intend to act with urgency in addressing climate change this year. As important, their handling of the bills will signal whether Democratic legislators have the backbone to prioritize climate action over political and financial calculations and the influential trade groups that oppose such legislation. Senate Bill 260 and Senate Bill 342, proposals that stalled last year without support, face continued ambivalence from lawmakers within the supposedly science-based,…