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Rare Earth Episodes

  1. America and the Planet

    How will the second Trump presidency really impact the future of our environment?

  2. Lakes, Lochs and Loughs

    Plunge into the chilly, much-disputed waters of the lakes of the British Isles.

  3. Should we still have zoos?

    Tom Heap and Helen Czerski ask what the role of zoos is in the 21st century.

  4. Ocean Explorers

    Tom Heap and Helen Czerski explore how robots and DNA are expanding our oceanic knowledge.

  5. Love of a Cold Climate

    What will warmer winters mean for the natural world?

  6. City Transport: Faster, Cheaper, Greener

    Tom Heap and Helen Czerski examine how we get around our towns and cities.

  7. Hiding in Plain Sight

    A celebration of city wildlife from across the world.

  8. The Evolution of Evolution

    What would Darwin and the other great naturalists think of our world today?

  9. Fashioning the Future

    Can we rethink how we dress to be less impactful on the planet?

  10. COP30: A New Hope?

    World leaders are gathering in Brazil, but can they prevent runaway climate change?

  11. Trains on Trial

    Is train travel part of a green future, not just our industrial past?

  12. Great Migrations

    New technology gives fresh insights into the great animal migrations

  13. World of Steel

    Steel is the skeleton of the modern world, but can it ever be green?

  14. Engineering the Planet

    Can we design and build our way out of climate change?

  15. Creatures of the Night

    A celebration of the wildlife that works while we sleep

  16. The Risk Takers

    Can the insurance industry save the planet? Tom Heap and Helen Czerski report.

  17. After the Bomb

    Eighty years since Hiroshima, how has our relationship with atomic power changed?

  18. A Whale's Life

    Whales have been protected from hunting for 40 years. Have they recovered from us?

  19. Metals and Minerals

    Where can we get the materials we need for the transition to a green economy?

  20. Powering Our Robot Overlords

    The energy used by a simple internet search is increasing. Can we cut the cost?

  21. Is Net Zero a toxic brand?

    Can the UK ditch its carbon emissions by 2050?

  22. Are insects the answer?

    Helen Czerski and Tom Heap discuss the environmental importance of insects.

  23. Set in Concrete

    Our civilisation is based on concrete. Can we build in a cleaner way?

  24. Paradise on the Edge

    Travel to the beautiful islands of the Pacific - the front line of climate change.

  25. How to Clean Up the Shipping Industry

    The shipping industry is a big polluter. Tom Heap and Helen Czerski search for solutions.

  26. Forever Chemicals

    The health impact of PFAS chemicals used in everything from frying pans to coats.

  27. The Hole That Changed the World

    40 years ago a hole was discovered in the ozone layer. It caused an international crisis.

  28. Cry Wolf

    Wolves are back, right across Europe. Should we be nervous or welcoming?

  29. Arctic Goldrush

    President Trump wants a slice of the Arctic. What does it mean for the region's wildlife?

  30. Reasons To Be Cheerful

    How will 2025 shape up for the environment and wildlife?

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