The construction industry releases enormous amounts of carbon dioxide. Now one Canadian company has developed a technology to make a cement substitute from industrial waste and CO2, thereby trapping this greenhouse gas in the concrete.
Testosterone is the primary sex hormone in males and plays a key role in reproduction, growth, and maintenance of a healthy body. But what happens when T-levels drop? And how can you prevent that happening? DW's Derrick Williams is 'asking for a friend'.
Climate change threatens to dry up the planet and the global water crisis sees the competition for water becoming ever more fierce. Conflicts over the scarce commodity are increasing everywhere. Even in Germany.