The Green Movement started nearly 25 years ago.

Explanation:
The Green Movement refers to a global environmental movement that emerged in the mid-1980s. It aimed to raise awareness about environmental issues and promote sustainable development. Here are some key points to support the answer:

- The movement gained momentum in the late 1980s, particularly after the publication of the Brundtland Report in 1987. This report, titled "Our Common Future," highlighted the urgent need for sustainable development that meets the needs of the present without compromising the ability of future generations to meet their own needs.
- In 1992, the United Nations held the Earth Summit in Rio de Janeiro, Brazil. This was a landmark event that brought together heads of state, NGOs, and other stakeholders to discuss global environmental challenges and develop strategies for addressing them. The Earth Summit is widely regarded as a key moment in the history of the Green Movement.
- Since the 1990s, the Green Movement has continued to evolve and expand, with new issues and challenges emerging over time. Some of the key issues that the movement has focused on include climate change, biodiversity loss, pollution, and sustainable agriculture and forestry.

Based on these factors, we can conclude that the Green Movement started nearly 25 years ago, around the late 1980s and early 1990s.

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