By the middle of this century, most cars and buses should be powered by renewable energy, while bikes, electric trains and your own two feet will continue ..
The focus of the study is how to eliminate persistent contrails, which make up about 10% of all contrails and create clouds that trap heat and warm the earth, according to Delta.
Delta Air Lines and the Massachusetts Institute of Technology’s Department of Aeronautics and Astronautics announced a partnership to discover new ways to eliminate persistent contrails.
Faculty from three finalist teams in the MIT Climate Grand Challenges discuss strategies for achieving impact in hard-to-abate sectors, from long-distance transportation and building construction to textile manufacturing and chemical refining.