22 July 2019
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Musk and Bezos: The Silicon Valley space race
The battle between two billionaires vying to take us to the Moon and beyond.
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Why 3D printing could be key to a Moon base
Construction materials, ceramics and food could all one day be printed on the lunar surface.
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Teen kayaker clocks up 100 miles in Norfolk Broads clean-up
Will Darling has paddled more than 100 miles in his search for rubbish.
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Would this burger tempt you to eat meat?
Two BBC presenters put Impossible Foods' meat-free burger to the taste test. How does it shape up?
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Apollo 11: Few indoor loos, but there was a man on the Moon
Fifty years ago, James Burke was one of the presenters leading the BBC's live coverage of the Moon landing.
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The final 13 minutes before the Moon landing
The minutes before landing were tense, as fuel was feared to be low and connections were lost between the lunar module and mission control.
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Algae bio-curtains: Architects' radical solution to capture carbon
Scientists and architects in London have developed 'bio-curtains' to act as an alternative to urban trees.
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Huge sand dune designed to prevent major gas terminal falling into sea
In a UK first, a 7m high barrier of sand is being created to help stop the coastline from crumbling.
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Sounding alert about vanishing US coastlines
A new photography book captures the environmental threat to America's coastal region.
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Plastic pollution: Could a year's waste circle the Earth four times?
Could a year's global plastic waste circle the Earth four times over?
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Chennai, the city where drought is visible from space
Chennai is India's sixth largest city, but its residents are relying on trucks and trains to bring them water.
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Dolphin megapod spotted off California coast swimming alongside boat
Onlookers watched as a huge pod of dolphins - known as a super- or megapod - swam alongside them.
