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Significant climate change means that massive social change is essential if much of the earth can remain habitable. What needs to happen will challenge our politics, our economics and our technical capacity. But above all these, it will be a...
In the 1940s, the eminent British botanist John Heslop Harrison proposed a controversial theory: that vegetation on the islands off the west coast of Scotland had survived the last Ice Age. His premise flew in the face of what most botanists...