Since the 1980s, global carbon emissions have undergone significant changes. Which of the following statements most accurately describes the trend and its impacts on climate change during this period?

A、Global carbon emissions have consistently decreased, leading to a significant improvement in global climate conditions.
B、Carbon emissions have increased substantially, contributing to global warming and climate change, particularly in industrialized nations.
C、There has been no significant change in carbon emissions since the 1980s, resulting in stable climate conditions worldwide.
D、Developing countries have reduced their carbon emissions significantly, offsetting the increases from developed nations.