Five plans for carbon neutrality

A NASA photo shows the lights of major urban areas in the southeastern United States as seen from space. Credit: Elena11/

Since the industrial revolution, technology has boosted the development of our societies in ways we never seen before. We tackled some of the biggest challenges of our era: the production of food, the eradication of diseases, and the expansion of transport and communication systems. But this form of development has come at a cost and has become, perhaps, the greatest threat of our time.