Plot.plot({
width: 1200,
height: 800,
projection: "albers",
marks: [
Plot.geo(nation),
Plot.geo(statemesh, {strokeOpacity: 0.2}),
Plot.dot(globalPowerPlants_nuclear, {x: "longitude", y: "latitude", symbol: "circle", fill: "lightgreen", stroke: "black"
, r: 6
})
]
})