Complex sentence: The Green Power Hike was a walkathon along the 50km Hong Kong Trail hosted by Green Power Hong Kong during February each year, All donations for Green Power Hike will fund local environmental education in schools and the community.
Split into simpler sentences: The Green Power Hike is a walkathon along the 50km Hong Kong Trail hosted by Green Power Hong Kong during February each year. Income from the Green Power Hike funds local environmental education in schools and the community.