Artificial photosynthesis energy conversion efficiency (due to photosynthesis' own low efficiency in converting sunlight to biomass), the cost of harvesting and transporting the fuel, and conflicts due to the increasing need of land mass for food production. The purpose of artificial photosynthesis is to produce a fuel from sunlight that can be stored conveniently and used when sunlight is not available, by using direct processes, that is, to produce a solar fuel. With the development of catalysts able to reproduce the major parts of photosynthesis, water and sunlight would ultimately be the only needed sources for clean energy production. The only by-product
What Do I Have to Do Amazon.co.uk, "Her most outrageous but greatest video moment is where she parodies certain movie stars in the chic video for "What Do I Have to Do?", and because of her heavy eye make-up almost earns herself the title drag-queen Kylie (watch out for sister Dannii who briefly stars in the video, wearing a blonde wig)." These are the formats and track listings of major single releases of "What Do I Have to Do". Minogue performed the song on the following concert tours: The song was also performed on: What Do I Have to Do "What Do I Have to Do"