From Colloquy, a special section on changing the climate: Utopia, Dystopia and Catastrophe. An interview with Michael Klare, author of The Race for What's Left: The Global Scramble for the World's Last Resource. The Climate Fixers: Can geoengineering curb global warming? Jonathan H. Adler on a conservative's approach to combating climate change. Worldwatch Institute’s Vital Signs 2012 showcases the planet’s growing demand for food and energy, its shrinking resources, and the implications of this dilemma. An interview with Michael Mann, author of The Hockey Stick and the Climate Wars: Dispatches From the Front Lines. David Roberts on what it means for media to take climate seriously. From Conservation, safe-deposit box: Carl Safina travels to the seed vault on top of the world; John Carey on the efficiency Catch-22: Some experts say that energy efficiency can slash carbon emissions at bargain prices, others say, not so fast — the more energy we save, the more we use; everything old is green again: The most energy-efficient building may be the one already built; and Adelheid Fischer on the ecology of make-believe: Does it matter when novelists muddle facts about nature?

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