Earth Day: are we astronauts or toads?

It’s 50 years since the first image of the Earth from space was beamed back home from Lunar Orbiter 1. It’s hard for us now to imagine, or remember, what it meant back then. For the first time, humans could see a real image of their home as a whole. The picture, and others that…

Resilience 2014: Limits revisited? Planetary boundaries, justice and power

By Melissa Leach, IDS Director In 1972 Meadows et al’s Limits to Growth made scientific and policy waves, as its ‘World3’ model predicted the end of growth and prosperity as rising, consuming populations ran up against resource limits. In critique, SPRU (Science and Technology Policy Research) at the University of Sussex offered alternative models predicting…