logo
episode-header-image
Oct 2021
34m 40s

Could we completely switch to renewable ...

Bbc World Service
About this episode
tail spinning
Up next
Aug 14
Why can't I concentrate?
Why is it hard to concentrate, and why does it feel like such hard work? The CrowdScience inbox is full of questions like that, so for this show we’re concentrating on concentration and focusing on how we focus. We’ll be answering questions about the extra energy the brain uses w ... Show More
26m 29s
Aug 7
Why is TB still killing people?
Tuberculosis kills more than a million people every year. It’s the world’s leading cause of death from a single infectious agent. This is despite the fact that we've had a cure for TB since the 1940s and a vaccine that’s over 100 years old. So why is TB still causing so many peop ... Show More
26m 29s
Jul 31
Will I get hit by a meteor?
Stare up at the night sky, and if you’re lucky, you might see a shooting star. Some people might make a wish, but CrowdScience listener Scott in California in the USA, thinks differently. He’s wondering how dangerous they might be. Shooting stars are actually meteors, ending thei ... Show More
37 m
Recommended Episodes
Dec 2021
How to make electricity for your neighbours
Hundreds of millions of people don’t have access to electricity. But all over the world, people are joining forces to provide a home-grown solution — by setting up their own “microgrids” using renewable energy.We meet the Kenyan man who got so frustrated waiting for his village t ... Show More
25m 40s
Sep 2021
TED Climate: Can 100% renewable energy power the world?
Oil: The prehistoric source of fuel that could drive us all into extinction. We need to pivot to renewable sources of energy, like water, wind and solar to save our planet. But is it actually possible to switch ALL energy sources to these renewables? Dan looks at the problems rus ... Show More
11m 6s
Oct 2021
Can we still avoid climate catastrophe?
Just a few days before COP26 opens in Glasgow, the World Meteorological Organisation reported record greenhouse gas levels, despite a fall in CO2 due to pandemic restrictions. The UN Environment Programme’s Emissions Gap Report also revealed that current country pledges will only ... Show More
1h 2m
Dec 2015
Future of Energy
Professor Jim Skea, from the Faculty of Natural Sciences, Centre for Environmental Policy at Imperial College London, joins Jack Stewart in the studio and brings his insight from the Paris climate talks. Paul Younger, the Rankine Chair of Engineering and Professor of Energy Engin ... Show More
27 m
Aug 2021
Can we run the world on electricity?
The target for many countries around the world is to reach net zero emissions within the next few decades. That means a dramatic move away from fossil fuels like oil, coal and gas. For some the answer to the problem is to boost “green” electricity production, so that we can run o ... Show More
23m 36s
Nov 2021
Jet fuel from thin air
Scientists in Switzerland have developed a system which uses solar energy to extract gases such as hydrogen and carbon dioxide from the air and turns them into fuels for transport. So far they have only made small quantities in experimental reactors, however they say with the rig ... Show More
1h 13m
Oct 2018
Norway: From Oil to Renewables
We know that to keep our climate safe we need to stop burning fossil fuels and move to renewables. But how? Leading scientists and government delegates have been asking that question this week at a gathering in South Korea. Perhaps inspiration can be found in Tromso, in the Norwe ... Show More
49m 21s
Jul 2019
'Free' water and electricity for the world?
Researchers in Saudi Arabia have developed a prototype solar panel which generates electricity and purifies water at the same time. The device uses waste heat from the electricity generating process to distil water. An individual panel for home use could produce around 4 litres a ... Show More
29m 51s
Oct 2024
Could coal shut-down mark new era for energy?
“That’s the end of coal in the UK for electricity.” The UK’s last coal-fired power station has closed, ending Britain's 142-year reliance on coal. But what difference will the closure of Ratcliffe-on-Soar make – and could it mark a new dawn for clean energy? After 20 years of res ... Show More
28m 12s
Mar 2023
Abundant energy
This week’s programme is a thought experiment: What would the world be like if energy became superabundant and very cheap?Energy is vital for every aspect of our society, and the energy cost of extraction, processing, manufacture and transport is priced into every product we buy. ... Show More
28 m