Reuters: The Walt Disney Co said on Monday that it planned to cut carbon emissions from fuels by half by 2012, and ultimately to achieve net zero direct greenhouse gas emissions at its office and retail complexes, theme parks and cruise lines. Disney also set a long-term goal to cut to zero the nearly 300,000 tons of waste it sends to landfills, much of it from construction, through diverting some to recycling centers, composting and buying more post-consumer recycled materials. The …