Should nuclear power plants should be strictly forbidden around the world?

Then people need to resort to other things such as Thermal heat
Very deep in the earth, transferring up the heat and operating turbines and producing energy.
This is absolutely harmless and has no residues that would be dangerous for nature or for people or the animals. Practically an energy that can be used indefinitely.

http://www1.eere.energy.gov/geothermal/powerplants.html

If overpopulation of the world began to cause massive humanitarian, and environmental problems?

would it be best to introduce something covertly to control fertility?

I know it seems a tad barbaric, but would it be better than the consequences of worldwide famine and disease?

I ask this without it meaning to sound as my opinion for a solution.

What is the single most important issue that faces the United States in the global arena?

What is the single most important issue that faces the United States in the global arena?
Does climate change and sustainable energy development answer this question?

Anybody want to explain how climate change and sustainable energy development is the single most important issue that faces the United States in the global arena?

If not, what do you think is the most important issue? Why?

What is more important to reduce our energy expenditures or to switch to sustainable technologies?

It seems most American’s don’t really want to cut back on their lifestyle to cut energy usage but may be open to using more efficient technology and or sustainable energies.

America expends an exponential amount more of energy than any other nation in the world industrial or developing. It seems America’s problem is not just the technology it choses to use but more so a moral dilemma.

I’m curious what other people who already acknowledge the reality of global warming think. A green dime for your thoughts.