After water, concrete is the substance most widely consumed by humans. This ubiquitous substance is highly polluting but a German firm has developed a way of recycling old concrete.
On eco@africa, we find out why South Africa's corals are so resilient, meet the microbiologist making gowns from milk and the man promoting hybrid cars in Nigeria. Those stories and much more on this week's show!
World Water Day is drawing attention to the growing threat of water scarcity. Some countries are making the most of every drop they use – but others are still squeamish about reusing wastewater.
On this week's eco@africa, we check out an innovative net that harvests water from fog, visit one of the largest ape conservation projects in Africa, and meet an eco hero trying to save Nigeria's wildlife.
On this week's eco@africa, we meet a true hero of environmental activism, discover underwater gardens in Kenya and visit Rwanda a decade after its plastic ban.
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