20 meters above the ground, professional tree surgeon Manuel Walczak prunes some dead branches from an old oak tree in Hamburg. It's important work, since falling branches could injure passers-by.
No hope for orangutans? Ahead of International Orangutan Day on Saturday environmentalists says the big apes are still on the brink of extinction due to deforestation.
A group of mountain researchers hiked the length of the Alps this summer, retracing a similar trek 25 years ago. Much has changed since then, especially when it comes to the environment.
The flightless scaly-tailed squirrel is an elusive creature. No one has seen it alive so far. But a few specimens have been found - and now researchers managed to analyze its DNA.
Traditional travel guides are still popular despite the increased use of apps, blogs, and e-books. But many companies that publish travel guides are going digital.
© 2018 Deutsche Welle |
Legal notice |
| Mobile version