meanwhile, mark z. jacobson from stanford university and mark a. delucchi from the university of california at davis have written an ambitious two-part paper titled "providing all global energy with wind, water, and solar power," soon be published in energy policy. the study concludes that the electrification of all energy sectors can lead to a fully renewable energy supply by as early as 2030, orif political and social obstacles are taken into accountby 2050.

This is all lower case. Can you fix that?
Meanwhile, Mark Z. Jacobson from Stanford University and Mark A. Delucchi from the University of California at Davis have written an ambitious two-part paper titled "Providing all global energy with wind, water, and solar power," soon be published in Energy Policy. The study concludes that the electrification of all energy sectors can lead to a fully renewable energy supply by as early as 2030, orif political and social obstacles are taken into accountby 2050.