Final Answer:
The climate activist who opened one of her first speeches with the mentioned statement is Greta Thunberg.
Step-by-step explanation:
Greta Thunberg, the Swedish climate activist, made the statement about her diagnosis during one of her early speeches. She revealed her Asperger's syndrome, OCD, and selective mutism, emphasizing her selective communication. This disclosure serves to highlight her commitment to speaking out on climate issues only when she deems it absolutely necessary. Greta's openness about her neurodivergence adds a unique dimension to her advocacy, challenging stereotypes and underscoring the urgency of addressing climate change.
Thunberg's straightforward and impactful communication style is rooted in her selective mutism, a condition where an individual speaks only in specific situations. This intentional choice to speak out on climate issues aligns with her belief in the critical importance of the matter at hand. By sharing her personal experiences, Greta humanizes the climate crisis, making it relatable and emphasizing that anyone, regardless of their background or challenges, can contribute to the global conversation on environmental sustainability. Thunberg's approach resonates with audiences worldwide, transcending traditional barriers and inspiring collective action for a more sustainable future.