The space industry, with its fuel-burning rockets, requirements for mined metals and inevitable production of space junk, is not currently renowned for its environmental credentials. Can space exploration ever be truly environmentally friendly? Presenter Marnie Chesterton answers a selection of listeners’ questions on the topic of space environmentalism. She ... Show More
Jul 4
Can we harness solar energy from other stars?
Listener Dickson Mukisa from Uganda has been gazing up at the stars. But he’s not making wishes. He wants to know whether we can harness their energy, in the same way we do with our OWN star – the sun. After all, they may seem small and twinkly to us, but each one is a gigantic f ... Show More
26m 28s
Jun 20
How can we persuade more people to cycle?
Cycling is good for our health, good for the planet, and it can be an efficient way of moving around busy cities. But despite all the rational arguments for it, in most cities the number of people who get on their bikes is low.CrowdScience listener Hans wants to know whether it’s ... Show More
26m 28s
Dec 2021
Moon missions and space junk
2021 was another year of firsts in the ever-expanding industry around space, as we moved towards space tourism as a reality. But what about NASA, and its plans to return to the moon? We hear all about it, and the space agency’s ambitious plans for not just the moon, but mars; fro ... Show More
17m 28s
Dec 2023
Space Policy Edition: Was the Space Shuttle a policy failure?
Was the Space Shuttle a successful program? In many ways, yes: it endured for thirty years, launched hundreds of astronauts into space, and built the International Space Station. But, according to the goals of lower costs, rapid reusability, and reliability NASA stated at its con ... Show More
59m 28s
Apr 2023
Launching Into Space — Sustainably!
In 1957, the Space Age began with the launch of Sputnik, the first artificial satellite. Since then, the number of objects humans have hurled toward the stars has soared to the thousands. As those objects have collided with one another, they've created more space debris in Earth' ... Show More
12m 54s