The correct answer is A.
The main idea of the the passage is that we must have some government regulations to control greenhouse gasses. We need governmental intervention to significantly reduce emissions because as individuals there is only so much we can do to help cut down our carbon footprints, which is a good thing as we should all do that and we can monitor the progress made by individuals, but we do need the collective power of the government to implement the big significant changes that we as individuals unfortunately do not have the power to do.
The significance of the civil rights movement was to get support for civil rights laws already in place to help African Americans. even though these laws had already passed few people were upholding them. causing mistreatment and even death to many African Americans. they wanted to be viewed as equal and together. the significance of the women's movement was a series of political campaigns. for reform of many issues they faced such as domestic violence, reproductive rights, maternity leave, equal pay, sexual violence and harassment.
The answer is energy you need energy