Ecologically sound energy for heating and cooling can be extracted from lakes. Plus: affordable super-batteries in the offing. New studies show that pigs can learn and are highly social animals. And: computer games as dementia prevention.
Digitalization is spurring on Germany's switch to renewables and away from nuclear. Power-generating homes, smart grids and new forms of clean energy storage are enabling Germans to go even greener.
Arctic scientist Julienne Stroeve has seen the effects of greenhouse gases first hand. She has some long-term ideas on how to reduce them as well as some very simple short-term ones.
The development of renewable energy is setting new records, with solar power now becoming cheaper than energy from new coal or nuclear plants. China and other players in Asia are making serious inroads into the market.
Solar panels on top, wheat and potatoes down below: researchers aim to make farmers' fields twice as productive with a revolution in power generation. A pilot facility in southwest Germany is exploring the new concept.
© 2018 Deutsche Welle |
Legal notice |
| Mobile version