More yield, less field
This year Zimbabwe has had a bumper crop of the staple food, maize. It is only the second time in two decades that it has grown enough food for the whole population. Last year they barely had half of ...
9 Nov 202127min
Climate: Civil disobedience
Usually protests against climate change take the form of marches or protests but for some activists this is not enough. Host Nuala McGovern hears from three people in Malaysia, France and Germany abou...
6 Nov 202124min
Tree planting and climate change
Trees absorb carbon dioxide - the main gas heating the planet - so planting more of them is seen by many as a possible climate change solution. But how impactful is it? This week, Ros Atkins, looks at...
6 Nov 202110min
The Ahr Valley flood
The worst effects of climate change are often framed as a problem for the future. But for some, the worst has already happened. As world leaders gather in Glasgow to talk about how to bring down emiss...
4 Nov 202127min
A Geochemical HIstory of LIfe on Earth: 5. The Anthropocene
Could human engineering stabilise the Earth's climate and chemistry in the long term? Tim Lenton of Exeter University explains why the Gaia hypothesis is the key to understanding the future of life on...
31 Okt 202123min
The Story of Aids: 4. The end of an epidemic?
When President Thabo Mbeki came to power in South Africa in 1999, the country was gripped by an HIV-Aids epidemic - and the president's decision to question scientific evidence, and reject the use of ...
30 Okt 202149min
Climate: Animals under threat
The changing planet is threatening a number of vulnerable and endangered species, and host Nuala McGovern hears from three experts on polar bears, snow leopards and bumble bees on why we should all ca...
30 Okt 202123min
Ros Atkins on: The US and China’s climate commitments
Ahead of COP26, the big climate change summit in Glasgow, Ros Atkins looks at the climate promises of two of the world’s biggest polluters – the US and China.
30 Okt 20219min
