Rainwater harvesting and eco-gardens: how one Colombian neighbourhood helped a whole city plan for climate change

From rainwater harvesting to tree nurseries, communities in Medellín are taking steps to increase their landslide and flooding resilienceIn his home on a steep hillside in the neighbourhood of Golondrinas in Medellín, Róbinson Velásquez Cartagena stands proudly next to two large tanks of water – a rainwater harvesting system he designed and built to help reduce the risk of flooding and landslides.It is one of the nature-based solutions that Velásquez and others in the community have proposed as...