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.
The world is in the middle of a renewable energy revolution. Prices for clean energy systems are plummeting and investments in renewables are reaching record highs. But there's still a major hurdle to the large-scale adoption of green power around the world. The batteries needed to store the intermittent energy from renewables – such as solar and wind – are still too costly.
When Carlos Ibánez installed solar panels on his roof, he figured it was good for the environment and easy on his pocketbook. But now he regrets the thirty thousand dollar investment after the government has imposed a tax increase on solar energy, in a country renowned for its sunshine.
In 1979, Jimmy Carter put solar panels on top of the White House. Now he's hoping that Donald Trump takes it further. Although the new President doesn't believe in climate change, his predecessor makes a convincing argument: investing in solar brings millions of jobs.