What is fire?
How can we protect our towns and cities from devastation caused by extreme weather events? Can geo-engineering help? This week's guest on Tomorrow Today is meteorologist Uwe Ulbrich from Berlin's Free University.
Olivia Fernandes from Auckland in New Zealand
Alfred Wong from San Francisco, USA
Plastic is ubiquitous today, found in many consumer items. But once these products are thrown away, they often end up in the world's oceans, where they make their way through the ecosystem and - perhaps - back to us.
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