Earth's global average temperature in 2021 was the sixth warmest on record, according to two new reports issued this week by U.S. Government agencies. Scientists at NASA's Goddard Institute for Space Studies report that collectively the past eight years were the warmest since modern record-keeping began in 1880. The research adds to overwhelming evidence of climate change.

This episode looks at the role played by carbon-free nuclear power in providing one solution to the growing climate crisis. Our guest, British environmental activist and science communicator, Zion Lights, tells us why she changed her mind about nuclear safety and reliability. After playing a leading role with Extinction Rebellion UK, Zion left the group and founded Emergency Reactor, which calls on fellow activists to "stop spreading misinformation and fear. Follow the science about nuclear energy."