Simplify the following text for a Grade 13 native English-speaking person.
Original: He was a founding member of the Save-the-Redwoods League , he helped lobby for and create the Cabeza Prieta National Wildlife Refuge and the Kofa National Wildlife Refuge for Desert Bighorn Sheep in Arizona , and he campaigned for state parks in California .
Simplified: He helped start the Save-the-Redwoods League , he helped create the Cabeza Prieta National Wildlife Refuge and the Kofa National Wildlife Refuge for Desert Bighorn Sheep in Arizona , and he help start state parks in California .