The burning of biomass fuel, the crude oil exploitation and coal mining industries are causing a severe deterioration of air quality in African countries.

The find of the 235-carat type IIa diamond at Lulo comes barely a week after Lucapa dug up a 208-carat rock at the same mine.

New study shows a $1.1 billion drop in gold exploration budgets this year as juniors struggle to raise capital, but the precious metal still accounts for 46% of the total.