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Podcast: The Climate Question
Episode: What does 'net zero' really mean?
Description: When talking about climate change, the term net zero has become popular with politicians over the last few years.
More than 130 countries have now pledged to go net zero to help slow global warming.
Reaching net zero means reducing the amount of emissions as much as possible and removing any that remain from the atmosphere.
We hear from communities in South Africa, where the government plans to reach net zero by 2050. But the country is heavily tied to coal and faces several challenges around employment and energy security.
And while politicians make their net zero announcements, the United Nations...