The Life Scientific: Alex Antonelli - a podcast by BBC World Service

With the world's biodiversity being lost at an alarming rate, Alexandre Antonelli, Director of Science at the Royal Botanic Gardens, Kew, has made it his life's mission to protect it. He is a bio-geographer revealing how changes to the Earth's landscape, such as the formation of mountain ranges and rainforests, leads to the evolution of new species and causes plants, fungi and animals to move around the world.

His work is a masterclass in joined-up thinking, bringing together different fields of research by starting conversations between scientists who would rarely talk to one another. Together, they paint a more holistic picture of how our planet's biodiversity has developed in the hope of informing how we can protect it in the future.

Alex tells presenter Jim Al-Khalili about a life spent in the wild, beginning with his earliest memories of growing up in Brazil cataloguing life in the Atlantic Rainforest. That passion is still with him today. We've only scratched the surface of understanding what lives here on Earth, he says, more than 4,000 new species are found every year. Alex is passionate that we need to speed up the rate at which we document the richness of life, arguing if we don't identify what there is we can't protect it.

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