Final answer:
Climate change is a controversial subject within the field of science, with debates centered around responsibility, consequences, impact of fuel technologies, and the relative impact of developed countries.
Step-by-step explanation:
The subject of this question is Climate Change, which falls under the area of Science.
The controversy surrounding climate change lies in the responsibility for climate change, the consequences of climate change, the impact of oil-based fuel technologies, and the relative impact of developed countries on climate change. While there is a scientific consensus that climate change is real and that human activities contribute to it, debates and disagreements arise when it comes to attributing blame, assessing the severity of the consequences, and evaluating the effectiveness of different energy sources.