A Climate Tax

In the June 19 Eos, Vergana and colleagues itemize the impending costs to Andean communities as glaciers, their source of water for both consumption and electricity generation, disappears as a result of climate change: These consequences are akin to a climate tax imposed by energy-intensive societies on populations that have contributed little to the climate …

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Desertification

From this morning’s Times: Enough fertile land could turn into desert within the next generation to create an “environmental crisis of global proportions,” large-scale migrations and political instability in parts of Africa and Central Asia unless current trends are quickly stemmed, a new United Nations report concludes.

Water on a Semi-Arid Coastal Plain

It’s almost like I never left. When I abandoned California nearly two decades ago, they were fighting about the environmental effects of water diverted from the Sacramento-San Joaquin delta for the growing suburbs of Southern California. Still fighting: Warning that a recent boost in water exports is nudging the delta smelt closer to extinction, environmentalists …

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