Thats only a short term solution, global warming will negate those benefits.

Southern ocean currents just reversed and will likely cause rapid warming of water temps.

Southern Ocean circulation reversed

Southern Ocean current reverses for first time, signalling risk of climate system collapse

France and Switzerland just had to shutdown their nuclear reactors due to the water sources they use for cooling being too warm.

France and Switzerland shut down nuclear power plants amid scorching heatwave

When heat halts power: Europe’s nuclear dilemma