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The sun provides free energy for the taking. To what extent is this being used?
Solar power comes typically in the form of photovoltaic or concentrated solar. It's big business - that can help save our climate. Browse DW content on solar energy below.
We talk about the IPCC's grave warning to the world and why we urgently need clean energy alternatives, hear of solar success in Brazil's favelas, travel to one of Georgia's longest rivers where hydropower is clashing with precious wildlife habitats, and listen to Texans on how they feel about wind power picking up in the oil state.