Environment
Mining
Gold hidden in a mineral
Grain containing rare mineral reveals potential source of platinum and gold in quartz veins
By Redação
Environment
More salt in the soil, air, and water
Use of salt in mining, agriculture, and to melt ice on roads poses a risk to biodiversity
By Redação
Environment
Retaining pollutants carried by rain
Europe seeks innovative ways to prevent rainwater from carrying pollutants into rivers
By Redação
video
Brazil dries up
Climate change gives rise to a region with an arid climate, previously non-existent in the country | 6'39
By Redação
Ecology
Caatinga shrinking
Agriculture has transformed 89% of typical native vegetation in Northeast Brazil