Indian Ocean Dipole spells flood danger for East Africa
Hundreds of thousands of people in East Africa are affected by heavy rains and floods linked to record-breaking temperature changes in the Indian Ocean. As a result, higher evaporation off the African coastline is being dumped inland as rainfall: a simplified description of 2019’s positive Indian Ocean Dipole (IOD) episode.
The IPCC’s Special Report on Oceans and Cryosphere – What it means for Africa’s coastal cities
For African coastal cities, sea level rise and increasing storm frequency and intensity pose serious threat. West, Central, East and Mediterranean coastal zones in Africa are very low-lying. Within these low-lying coastal zones are many of Africa’s largest cities: Dakar, Abidjan, Accra, Lagos, Dar es Salaam, Alexandria, Tripoli, and Cape Town.
Turning plastic trash into high-quality liquid products
Researchers have developed a new catalyst that can cleave plastic’s strong carbon-carbon, converting it into higher value products.