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Katie Burton

The world’s first hydrogen-powered boat to tour the world, Energy Observer, has sailed into London. With no CO2 emissions, no fine particles and no noise that could disturb underwater fauna, the ship is the first of its kind and potentially a model for the future
An experiment that asked different sized groups to invent a new language has revealed that community size plays an important role in determining the type of language that develops
Can you complete this month’s Geographical crossword puzzle?
The Great Animal Orchestra combines the audio recordings of bioacoustics pioneer Bernie Krause and United Visual Artist’s immersive light-based spectacle to dazzling effect
Hotel Mumbai shares a true story of heroism in the face of terror and honours the real staff who laid their lives on the line, but its use of action-movie tropes detracts from an otherwise powerful story

The Last Tree review: Shola Amoo

A moving coming-of-age story about a young black man’s struggle to define himself while growing up with his mother in London
We took to the streets of Westminster to take a look at London's part in the Global Climate Strike which saw millions across the world march for climate justice today
The British government today announced a new aid package to support the 700,000 Rohingya people still living in refugee camps in Bangladesh, with the money particularly targeted towards supporting vulnerable women and girls. Geographical speaks to Helen Ware, an aid worker at the camps, to find out why highlighting the plight of women and girls is so important
New analysis of NASA data has led to the discovery of more than 60 sub-glacial lakes hidden beneath the Greenland ice sheet
A revolution in digital mapmaking is underway and the implications for industry, the environment and all of humanity are huge

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