Four pivotal elections, selling 'sunlight on demand' + cultural mutton birding

Four elections around the world could be about to shift international politics. Voters have been gathering in the streets in celebration and protest of what is yet to come. We get you across the developments for Brazil, Serbia, the US and Israel

And, federal politicians returned to parliament today for the first time since the attack on Helen Haines. Parliamentary business was suspended to allow MPs to share messages of support.

Plus, a US start-up is planning on selling ‘sunlight on demand’ via giant mirrors in space. Sorry, what?

Finally, we hear about mutton birding – an Indigenous tradition that's been happening in Tasmania for thousands of years.

Listen now:

01:09 – Global elections

12:44 – Helen Haines tributes

17:25 – Selling sunlight

25:00 – Mutton birding

Guests:

Matt Doran, ABC Middle East Correspondent

Sara Webb, Astrophysicist, Swinburne University