Renewable energy: the key to stopping our global warming problem.
I strongly suggest switching from using oil and coal, to using an electricity grid or solar panels.
What will we do when we meet our oil crisis?
This is a letter to our next president, regarding energy policies and economics.
Are non renewable resources better than renewable resources? Does nature have to get hurt because we misunderstand ?
NASA has been consistently underfunded in the last decade. We need to work together to generate enthusiasm for space travel again.