Switched On

Have you noticed more electric vehicles on the road recently? How about charging stations? Well, you’ll probably see a lot more in 2020. This week on Switched On we talk with Colin McKerracher, who le...

24 Jan 202029min

Today less than 20% of plastic waste is recycled. This week on Switched On we talk with Ilhan Savut and Julia Attwood about chemical recycling, a new way to recycle. Instead of simply washing and melt...

14 Jan 202019min

Remember acid rain and worries about sulfur emissions from your car? Maybe. Maybe not. It was a long time ago that sulfur was regulated out of the gas you put in your car. Well those concerns are fron...

23 Dec 201925min

In solar’s early days, getting electrons from solar panel to power grid was as much a financial as a technical challenge. Photovoltaic power cost more than conventional grid power, and so deploying it...

17 Dec 201919min

We use cobalt every day. It's in the lithium-ion batteries in our phones, and in the growing fleet of electric vehicles out on the road. But chances are more than good that at least some of the cobalt...

2 Dec 201921min

Asia has the biggest share of everything -- area, population, economic growth, and now, carbon dioxide emissions. Can Asia keep its pace of development while reducing CO2, or does it have to go dirty ...

21 Nov 201925min

Solar thermal power plants can provide electricity when demand is most high, during the evening, or even all night long. This ability could become more valuable in certain locations as the amount of l...

14 Nov 201917min

The Obama-era Clean Power Plan is being cut out by the Trump administration. It probably doesn't matter so much because the U.S. power fleet is decarbonizing anyway. And cars are getting more fuel eff...

7 Nov 201933min