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Nuclear power plants face an emerging threat from climate change because of temperature restrictions.
As the climate has warmed, there has been a growing imbalance between record daily high temps and record daily lows.
Keep tabs on and explore record temperatures using Climate Central's interactive record tracker.
The weather of 2012 has been so unusual that the Climate Extremes Index has reached a new high.
The June heat wave is now also the early July heat wave, with utility companies reporting some progress restoring power.
White roofs in cities could prevent the world from emitting billions of tons of CO2, according to the White Roof Project.
Record heat in the West and High Plains is aggravating tinderbox conditions, and is moving to the Midwest and Mid-Atlantic.
An oil platform that is no longer in use now teems with life from a coral reef growing on the structure.