Amazon Rainforest, South America
With 20 per cent of the Earth's oxygen originating from the Amazon, it's no wonder some call it the lungs of our planet. The Amazon's 1.4 billion acres of dense forest is a buffet of biodiversity and one of the world's greatest natural resources. Despite the critical role it plays in sustaining the planet, the South American rainforest is being destroyed at an alarming rate. Land is being cleared for cattle ranches, logging, soybean farming and mining. According to the World Wildlife Fund, 55 per cent of the Amazon's rainforest could be gone by 2030 if current deforestation rates continue.
Before the advent of agriculture 10,000 years ago, humans got their food by hunting, gathering, and fishing. Scientists are turning to these ancient me... More Before the advent of agriculture 10,000 years ago, humans got their food by hunting, gathering, and fishing. Scientists are turning to these ancient methods of subsistence for insights into how we can feed our growing global population in years to come—without overwhelming the planet. In its September 2014 issue, National Geographic magazine explores the evolution of the human diet across a wide spectrum of cultures: http://www.nationalgeographic.com/foodfeatures/evolution-of-diet/ By 2050 we'll need to feed two billion more people. Click here for a special eight-month series exploring how we can do that—without overwhelming the planet: http://food.nationalgeographic.com.
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