Complex sentence: Because CEQA makes environmental protection a mandatory part of every California state and local agency's decision making process, it has become a model for environmental protection laws in other states, but it has also become the basis for numerous lawsuits concerning public and private projects.
Split into simpler sentences: Because CEQA makes environmental protection a mandatory part of every California state and local agency's decision making process, it has become a model for environmental protection laws in other states. It has also become the basis for numerous lawsuits concerning public and private projects.