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.
In Pulse this week, we'll find out the future of rural areas in Africa, hear how more and more Kenyans are turning to solar power to meet their energy needs, and we'll take look at the issue of skin lightening among school girls in Ghana. All that in this jam-packed edition of Pulse.
In 60 years of space exploration, we've placed almost 7,000 satellites in orbit. Less than a third still function. The rest is dangerous junk - and their number is growing. Here's how we might mitigate the threat.