Sabrina Ahmed dives into reducing carbon emissions—why ethanol producers say it's the best shot at immediate change but some environmentalists aren't on board.

Subscribe to Local 5 on YouTube: https://www.youtube.com/channel/UCvoiXGD8UhXXKzbI-tYo_Ig/

Follow "This Week in Iowa" on Twitter: https://twitter.com/ThisWeekInIowa.

Add Local 5 on Roku: https://channelstore.roku.com/details/3c2949aadbd0c7a4649e5196085b80da/des-moines-news-we-are-iowa

Download the We Are Iowa app: https://weareiowa.com/app

Get Local 5’s "5 Things to Know" email newsletter in your inbox: https://weareiowa.com/email

'Like' Local 5 on Facebook: https://facebook.com/WeAreIowa

Follow Local 5 on Instagram: https://instagram.com/weareiowa