Independent reporting since 1921
From tree canopies to white roofs, municipalities are running experiments that take up to five degrees off the pavement.
When sidewalk thermometers touched 56 degrees last month, city officials concluded that shade was no longer a luxury. A new program will plant 12,000 trees on the hottest blocks over the next three years.
Researchers say the combination of trees, lighter surfaces and small water features matters most — though the cost of upkeep is still being debated.
Delegations reached a preliminary deal on freight tariffs and unloading windows.
Its original glass roof is back, and the reading room now stays open until midnight.
Three textile workshops south of the river now produce more than half their own power.
Owners say pre-orders have cut waste by a third.
“The only thing more expensive than acting is waiting.”