Landscape18 Nov 2014Himalayas: Water towers of AsiaThe hidden contribution of the greatest mountain range on Earth to life on the planet.18 Nov 2014Future18 Nov 2014Amazon: Lungs of the planetThe hidden contribution the world's largest tropical rainforest makes to our planet's health.18 Nov 2014Future18 Nov 2014Liquid heart of South AmericaThe Pantanal wetlands are a magical landscape packed with wildlife. But this vast tract of land also has a hidden role in the lives of millions of people.18 Nov 2014Future18 Nov 2014Sahara: Life giving sandsWhy the vast North African desert has a critical role in supporting life all around the planet.18 Nov 2014Future18 Nov 2014Antarctica: Engine of ocean lifeWhy Antarctica's seas are crucial to every ocean across the globe.18 Nov 2014Future18 Nov 2014Sundarbans: Nature's bioshieldThe fragile ecosystem that defends one of the most densely populated areas on Earth from the extremes of nature.18 Nov 2014Future18 Nov 2014Amazon’s ‘invisible flying river'The great forest's other - lesser known - river that swirls above the tree canopy.18 Nov 2014Future9 May 2014What’s the world’s rarest animal?What are the rarest creatures in the world? This is a surprisingly difficult question to answer, but there are a few likely contenders, finds Rachel Nuwer9 May 2014Future17 Jan 2014Earth’s last place without noiseIn a noisy world, is there anywhere left that remains utterly silent? Rachel Nuwer discovers there’s at least one human sound you can never escape17 Jan 2014Future