sustainability
Climate crisis: Look to circular economies

Climate crisis: Look to circular economies

Cutting greenhouse gases from energy production and transport tends to take centre stage when we talk about fighting climate change, but circular economies — keeping materials in use for as long as possible through...

Has Africa’s time for hydropower passed?

Has Africa’s time for hydropower passed?

Africa has vast untapped sources of hydroelectricity but climate change, particularly droughts, raises questions about sustainability. Hydroelectricity has an attractive appeal for Africa. It can provide a baseload - a...