2012
6 Timelines That Explain America's Persistent Gun Culture - Politics - The Atlantic Cities
As we start to reopen a national conversation on gun policy in the wake of Friday's shocking mass shooting in Newtown, Connecticut, it's as important now to understand the geography of guns as the actual trend lines of gun-related crime over time in the past several decades.
2009
Timeline of Climate Change Science and Politics - Interactive Feature - NYTimes.com
From Joseph Fourier to James Hansen, NOAA to I.P.C.C., and Kyoto to Copenhagen, a look at the history of climate study and diplomacy in the modern age of global warming.
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