Ancient Amazonians intentionally created fertile 'dark earth'

The Amazon river basin is known for its immense and lush tropical forests, so one might assume that the Amazon's land is equally rich. In fact, the soils underlying the forested vegetation, particularly in the hilly uplands, ...

Climate poses 'high risk' for Europe's ski resorts

At current rates of greenhouse gas emissions, which would see Earth's surface warm nearly three degrees Celsius above pre-industrial levels, 90 percent of Europe's ski resorts will eventually face critical shortages of natural ...

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