"I saw a few lines from a few, there were hundreds of them, all [Adolf Hitler] letters and [Eva Braun] replies written on carbon paper. I just saw that her letters to him were lengthy, his were much shorter. I wouldn't intrude on their privacy and I had given her my word."

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We have used the majority of our carbon budget and we are already at dangerous levels of CO2 concentrations, about 400 parts per million. The levels were 250 before industrialization. So the problem is what we have done already and, therefore, what must be undone.

— Graciela Chichilnisky