Removing hazardous substances such as ammonia from wastewater is complicated and expensive. A researcher in Germany is working on a method that promises to make the process simpler and cheaper – while turning wastewater into a source of energy.
Police told media that the ordnance was defused "without any problems." Tesla is planning on building its fourth Gigafactory on the outskirts of Berlin, although some groups are concerned about its environmental impact.
Phosphorus is essential for growing crops, but global reserves are shrinking fast. Now researchers are looking for ways to recycle the valuable mineral — by harvesting human urine.
When US carmaker Tesla announced its plan to build a Gigafactory just outside of Berlin, euphoria spread among both German policymakers and locals. But as Hardy Graupner reports, the skeptics are getting into gear.
Did you know that chopsticks help against boredom? That our medicines are destroying the environment? Or that a new blood test can read our inner clock? DW brings you this week's health news, all in one handy guide!
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