Vanishing lake It's been shrinking fast, but could a plan to divert water to one of Africa's largest lakes stop it disappearing? Source
Shipping faces demands to cut CO2 The industry could contribute almost a fifth of the global total of CO2 by 2050 but some nations resist targets. Source
Higgs factory a ‘must for big physics’ The head of America's leading particle physics lab backs the construction of a "factory" to produce the Higgs boson. Source