It seems fitting the large oil producers like the United Arab Emirates need to address their carbon pollution sins by creating carbon neutral ways of both raising fish/shrimp and reduce emissions thru bio-diesel production for airlines.

http://inhabitat.com/worlds-first-farm-to-grow-food-and-fuel-in-the-desert-opens-in-abu-dhabi/

An article on Green Diesel by Boeing and Embraer:

http://www.telegraph.co.uk/business/2016/07/31/what-the-green-airplane-of-the-future-could-look-like/

and United:

https://www.washingtonpost.com/news/energy-environment/wp/2016/03/11/united-airlines-is-flying-on-biofuels-heres-why-thats-a-really-big-deal/?utm_term=.93dada37db6d