Convert dark roofs and pavement to reflective, high-albedo surfaces
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Replace dark, heat-absorbing roofs and pavement with high-albedo reflective surfaces — cool roofs, light-colored or coated pavement — to reflect sunlight rather than retain it. Acts fast and scales through building codes and repaving cycles.
Phoenix, Arizona, USA
PartialPhoenix coated 36 miles of residential roadway and a parking lot with a light-gray reflective "CoolSeal" treatment and conducted a multi-year evaluation with Arizona State University — the largest cool-pavement deployme…
Los Angeles, California, USA
OngoingLos Angeles, where average temperatures run nearly six degrees hotter than surrounding areas, adopted cool-surface measures alongside a measurable temperature target. Its Sustainable City pLAn set a goal to reduce the l…
Newark, New Jersey, USA
OngoingAfter Newark recorded 103°F in June 2025 — breaking its previous June high by six degrees — New Jersey launched a $5 million Urban Heat Island Mitigation Program through the Board of Public Utilities, funded by the stat…