At the start of 2021 I made four big predictions for the year about digital currencies, the transition to a sustainable economy, geopolitics and social media. How did I score? (Hint: I got to grade myself.)
Growing the meat we eat produces a lot of Australia’s carbon emissions. The four innovations explored in this episode – Rob Kinley’s amazing seaweed, George Peppou’s vat-grown meats, Sebastien Eckersley-Maslin’s vertical farms, and Nick Hazell’s plant-based ‘meats’ – show us a path toward an agriculture that can be radically more efficient.
In 2020, renewables became the cheapest source of electricity – and frequent guest Ramez Naam brings us all the stats about this fully underway transition to solar and wind power. But without cheap storage, renewables will never be able to be the entire solution for a world that looks to need a lot more electricity. Australian startup MGA Thermal may have invented the ideal technology to accelerate our transition from coal to solar.
Read this article about how much wind energy the USA added to the grid in 2020 (a record!)
And finally, here’s a story about the day that solar generation (briefly) eclipsed generation by coal-fired plants in Australia’s winter!