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The sewer sized for 1870 rain is still on the clock
Older cities run one pipe for sewage and stormwater. Heavier downpours mean the relief gate to the river opens more often than the 1800s pl…
Planet & Climate
Energy, food, weather, and the long emergency
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Six places to park carbon, ranked by the lease
A materials scientist ranks six storage media — basalt, olivine, peat, char, timber, even concrete — by how long they actually hold carbon …