Climate change is happening. Deutsche Welle tells you all you need to know about this topic that concerns us all.
Police said demonstrators had caused "serious disruptions to public transport, local businesses and Londoners." Activists blocked bridges and major road junctions, demanding the government declare a climate emergency.
Tap water in India isn't always clean; people often have to turn to bottled drinking water instead. But that's too expensive for poorer communities. Social entrepreneurs are stepping in with an unusual solution.