Pollution can take many forms.
Air, water, solid waste - most agree that pollution is harmful for people and other life on Earth. But more controversial is how to best prevent it - and clean it up.
Africa's biggest lake, Lake Victoria, is under threat. The lake shared by Kenya, Uganda and Tanzania is bearing the brunt of climate change. Researchers from the US teamed up with scientists from Uganda and found high levels of lead, arsenic, aluminum and phosphorous. That could spell disaster for more than 400 fish species in the lake and the 40 million people surrounding the freshwater body.
Depending on where you live, this winter has brought along snow. Snow-covered streets and fields look pretty and peaceful... it just has this very clean feel to it. That's also what reporter Sian Griffiths thought when her dog couldn't get enough of snow. But was it really as clean and healthy as it looked, she wondered when her dog munched away at bits of snow?
The EU defies pressure from the US to ban Huawei from the bloc's 5G networks - The EU and Britain clash over a post-Brexit trade deal – The status of Gibraltar post-Brexit - How Portugal won the war on drugs - Insulting Islam in France – Getting migrants into Germany’s workforce - The risks in Turkey of raising the alarm about pollution – A car-free city in Spain - Religious graffiti in Russia
One year ago, on January 25, Brazil's Brumadinho dam collapsed, killing 270 people. Millions of tons of toxic mining waste engulfed houses and waterways. More than 3,700 large dams are currently planned or under construction worldwide. DW speaks to Barnaby Dye, a research associate with the FutureDAMS project at the University of Manchester.