The correct option is that all three statements (1, 2, and 3) are correct in the context of the UN-REDD+ Programme. This initiative aims to reduce emissions from deforestation and forest degradation while promoting conservation, sustainable management of forests, and enhancement of forest carbon stocks. Properly designed and implemented, it can protect biodiversity by preserving habitats, enhance the resilience of forest ecosystems to climate change, and support poverty reduction by involving local communities in sustainable forestry practices, thus fostering sustainable livelihoods. This holistic approach aligns with sustainable development goals and environmental conservation concepts covered in UPSC syllabus materials.