The path towards sustainable energy sources will be long and sometimes difficult. But America cannot resist this transition, we must lead it.
Barack ObamaUltimately, if you think about all the youth that everybody has mentioned here in Africa, if everybody is raising living standards to the point where everybody has got a car and everybody has got air conditioning, and everybody has got a big house, well, the planet will boil over - unless we find new ways of producing energy.
Barack ObamaI think that there's a power in that [information through tweets and sound bites ]. There's also a danger, what generates a headline or stirs up a controversy and gets attention isn't the same as the process required to actually solve the problem.
Barack ObamaWe may not be able to stop evil in the world, but how we treat one another is entirely up to us.
Barack Obama