For days on end bushfire smoke has choked cities on the east coast obscuring the sun, and forcing people indoors. Now one NSW Liberal MP, Matt Kean, has linked the extreme conditions to climate change. For more from ABC News, click here: ab.co/2kxYCZY If you're in Australia, you can watch more ABC News content on iview: ab.co/2mge4KH Subscribe to us on YouTube: ab.co/1svxLVE Go deeper on our ABC News In-depth channel: ab.co/2lNeBn2 You can also like us on Facebook: facebook.com/abcnews.au Or follow us on Instagram: instagram.com/abcnews_au Or even on Twitter: twitter.com/abcnews