Hollywood's major studios collectively diverted more than 64% of studio sets and other waste from going to landfills last year, according to the MPAA and Alliance of Motion Picture and Television Producers. The groups' Solid Waste Task Force seeks to reduce the amount of air and water pollution and to conserve natural resources used in production. Last year the program diverted nearly 24,000 tons of solid waste from landfills toward reuse and recycling. Other steps included using metal scaffolding instead of wood platforms, double-sided scripts and reductions in the amount of energy used by computers.