Climate change deniers may be in the hot seat across the Atlantic, but there is still a real determination to tackle global warming here in the United Kingdom. Harnessing sunlight is at the heart of new initiatives to build on the natural process of photosynthesis: much better that attempting to tamper with the atmosphere to dim sunlight. Meanwhile tidal flow generation has already given us a very reliable source of power generation — could tidal rise and fall bring us yet more benefit from the Moon's orbit of the Earth? Background music: 'Solar Power' Ashley Shadow
