Amazing Bond plot: Someone gets ownership of Antarctica, uses Solar panels to raise the temperature of Antarctica and melt all the snow cover, gains control of

Amazing Bond plot: Someone gets ownership of Antarctica, uses Solar panels to raise the temperature of Antarctica and melt all the snow cover, gains control of an entire new continent. Also Gundam 0083 had the solar system II superweapon, which was just mirrors. But fundamentally, isn't this increased insolation and on a large scale would accelerate warming? Man, couldn't we use a bunch of mirrors to locally warm northern climates in Siberia, Antarctica, etc... I wonder if that would be worth it.