In this 'Pioneers' episode, two experts at the cutting edge of green tech innovation share their insights and expertise.

Dr Alan James has a vision for sustainable national transport systems for the UK and beyond that are powered by renewable energy. As well as updated grid systems capable of storing captured energy from renewables, he introduces us to exciting concepts such as hyperloops which could cut down inter-city travel times to mere minutes.

Also, Dr James - through his personal example at his own house - demonstrates how it is possible to save thousands of pounds of money and achieve hugely significant reductions in CO2 emissions... by installing the latest green tech in the home.

Sri Hollema is a young inventor and green tech entrepreneur whose innovative product - Mat Zero - creates a warm and comfortable sleeping surface for refugees using renewable energy. Sri shares her advice for innovators and makes a case for why business should - and can - be done in a sustainable way.

The 17 is a podcast themed around the UN's 17 Sustainable Development Goals. A new episode is published on the 17th of each month, and explores a different one of the 17 goals in detail or discusses a topic linked to sustainability.

The UN SDGs represent an all-encompassing plan to protect the future of our planet, it is our responsibility to know what they are, understand them, and make sure that we are doing our bit to help.

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The 17 is produced by Bwlb - www.bwlb.co.uk